What's the difference between luck and optimism?

Luck


Definition:

  • (n.) That which happens to a person; an event, good or ill, affecting one's interests or happiness, and which is deemed casual; a course or series of such events regarded as occurring by chance; chance; hap; fate; fortune; often, one's habitual or characteristic fortune; as, good, bad, ill, or hard luck. Luck is often used for good luck; as, luck is better than skill.

Example Sentences:

  • (1) As luck would have it, the outgoing Bartlet and his successor, Matt Santos, are currently dealing with a foreign crisis, too.
  • (2) We can inhabit only one version of being human – the only version that survives today – but what is fascinating is that palaeoanthropology shows us those other paths to becoming human, their successes and their eventual demise, whether through failure or just sheer bad luck.
  • (3) Obama will meet with Binyamin Netanyahu and Mahmoud Abbas tomorrow as well, but US envoy George Mitchell has had no luck in recent weeks trying to persuade Netanyahu to compromise on the settlements.
  • (4) Song appeared to give Bolt a good luck charm to wear around his wrist.
  • (5) I thought we rode our luck in the first 20 minutes here.
  • (6) Good luck, rather than good genes, may be the key reason why some people are protected from certain cancers while others develop the disease, according to a new study.
  • (7) I wish he and Rosemary all the luck in the world...They should know there is much to enjoy in life even if you have been forced out because of circumstances.
  • (8) He said his longevity in the face of multiple drug abuse over decades was just luck, and advised others not to follow his lead.
  • (9) His previous strokes of luck include being appointed chief executive of the Olympic Delivery Authority, the highest-paid quango boss in the UK, and being knighted for "services to regeneration" despite not being a Time Lord.
  • (10) Seth Smith makes the final out of the A's season, which is a good luck charm for the Boston Red Sox, as Smith made the final out for the Colorado Rockies in the 2007 World Series that Boston won.
  • (11) Thom Majka, a sales rep who keeps his Indians cap on through every game for good luck, said: “These fans couldn’t care less about the election.
  • (12) Hugh Pennington, a microbiology expert, said on Saturday that luck will play a role in Cafferkey’s survival chances because experts still do not know enough about the virus.
  • (13) A ccents from every state in the union can be heard as workers pour off the train each day in Williston, North Dakota, ready to try their luck as the welders, truck drivers, plumbers, oil rig roughnecks, frackers, water carriers and road crews required to support the booming fracking industry – but also as plumbers, lawyers, cooks, accountants and everything else it takes to build a rapidly burgeoning city.
  • (14) So a striker needs also a bit of luck and then the confidence is higher but he’s self-confident so I expect he shall score and maybe against Chelsea .” So far Van Persie has remained injury free, which is a fillip after previously admitting to managing persistent issues for years.
  • (15) If the Spaniard’s bad luck in hitting a post was expected, the sight of Stambouli, a lumbering figure in the first 45 minutes, confidently sweeping home the rebound certainly prompted a double take.
  • (16) So tough luck for my friend Jennifer, who wanted to take an HND in plastering and brickwork.
  • (17) Good luck telling your manager you fancy a day off.
  • (18) Photograph: Alamy You’ll hear the traditional dance music pulsing out everywhere from dark bars, and seeing it involves decisions or luck.
  • (19) You'll find this helpful: How to get into media Best of luck!
  • (20) If that was a stroke of luck Everton were even luckier in the second half, when Joe Allen made his contribution to derby folklore with what may well be the miss of the season.

Optimism


Definition:

  • (n.) The opinion or doctrine that everything in nature, being the work of God, is ordered for the best, or that the ordering of things in the universe is such as to produce the highest good.
  • (n.) A disposition to take the most hopeful view; -- opposed to pessimism.

Example Sentences:

  • (1) The optimal size for stimulation was between 5 degrees and 12 degrees (visual angle).
  • (2) In addition, intravenous injection of complexes into rabbits showed optimal myocardial images with agents of intermediate lipophilicity.
  • (3) More research and a national policy to provide optimal nutrition for all pregnant women, including the adolescent, are needed.
  • (4) A beta-adrenergic receptor cDNA cloned into a eukaryotic expression vector reliably induces high levels of beta-adrenergic receptor expression in 2-12% of COS cell colonies transfected with this plasmid after experimental conditions are optimized.
  • (5) Enhanced sensitivity to ITDs should translate to better-defined azimuthal receptive fields, and therefore may be a step toward achieving an optimal representation of azimuth within the auditory pathway.
  • (6) T cell costimulation by molecules on the antigen presenting cell (APC) is required for optimal T cell proliferation.
  • (7) This optimization resulted in products which are now studied in-vivo.
  • (8) This promotion of repetitive activity by the introduction of additional potassium channels occurred up to an "optimal" value beyond which a further increase in paranodal potassium permeability narrowed the range of currents with a repetitive response.
  • (9) In general, optimal DAGAT activity in vitro was observed when long-chain unsaturated acyl-CoAs and diacylglycerols (DAGs) containing long acyl chains were used as substrates for in vitro TAG synthesis (although 1,2-didecanoin was also very effective).
  • (10) In conclusion, autoimmune thyroiditis in an animal model can be prevented by reducing thyroidal iodine or its metabolism and optimal effects require intervention at the embryonic stage.
  • (11) Research must continue to determine the optimal regimen that suppresses testosterone activity with the least amount of toxicity.
  • (12) We present the analysis both formally and in geometric terms and show how it leads to a general algorithm for the optimization of NMR excitation schemes.
  • (13) The effect of exclusion versus inclusion of the fiducial timing point optimizing routine in the signal averaging program was examined in 21 patients.
  • (14) The nurse is in an optimal position to plan and deliver a program and determine its effectiveness.
  • (15) elution patterns of the adducts formed by DBF metabolites with DNA and obtained in vivo at the optimal exposure time of 42-48 h were qualitatively very similar to the patterns obtained in vitro, but their amplitude was quantitatively reduced.
  • (16) Incubation of the blocked filters with radiolabeled DNA under optimal binding conditions and subsequent autoradiography reveals high-affinity DNA-protein interactions.
  • (17) A technique is therefore described using 3-D images and reconstruction of high-resolution films, which allows rapid examination of the menisci in optimal planes.
  • (18) The data of first 1000 first-born, non-malformed, mature (greater than or equal to 2500 g) offspring of participants in the Hungarian "Optimal" Family Planning Programme were evaluated.
  • (19) Molecular mass of the native enzyme is 560,000 and optimal reaction temperature is 70 degrees C. Km value for ribulose 1,5-bisphosphate is 0.27 mM.
  • (20) Optimal yields of 7-ketolithocholic acid and 7-ketodeoxycholic acid were obtained after 78 h of incubation.