What's the difference between optimism and serenity?

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.

Serenity


Definition:

  • (n.) The quality or state of being serene; clearness and calmness; quietness; stillness; peace.
  • (n.) Calmness of mind; eveness of temper; undisturbed state; coolness; composure.

Example Sentences:

  • (1) Photograph: KHIZR KHAN This sombre, serene oasis overlooking the Potomac river might also prove the graveyard of Donald Trump’s ambitions for the US presidency.
  • (2) Miklos Haraszti, whom I encountered in Budapest, had the looks of a small Spanish grandee in some Velázquez painting; dark, unnervingly handsome, serene.
  • (3) As to Beyoncé herself, Hamilton had nothing but praise: "She is a very smart, serene lady … utterly charming and focused."
  • (4) In the end, after a life of serial duplicity, innocent and otherwise, he found serenity.
  • (5) The life of this once serene and resilient woman has been wrecked.
  • (6) To Mogulof, Mayer almost believed she could charm the Nazis the way she had once-hypnotized her homeland: The ability to endure suffering while showing a serene and confident face came from years of managing a celebrity status.
  • (7) Here, it’s easy to make yourself comfortable in the sweet, slightly whimsical bedrooms that open onto a serene, tree-filled courtyard.
  • (8) Then followed a serene procession of coaches towards a distant detention camp in north-west Turkey, as watching residents expressed relief that no refugees would be settled in their pretty seaside town.
  • (9) Chelsea’s progress into the knockout phase proved serene to the last.
  • (10) "), or Mrs Wilfer, after placing Bella in the magnificent coach of the Boffins, continuing to "air herself … in a kind of splendidly serene trance on the top step" for the benefit of the neighbours.
  • (11) But the serene image masks a politician who has spent much time as chancellor consolidating her place in the CDU, removing rivals and forcing others out.
  • (12) But the scene in the 250-seater conference centre on an unassuming cobbled mews in central London was a far more serene affair.
  • (13) For two serene months after Donald Trump announced in March that he was forming a presidential exploratory committee, he failed to register in national political polls.
  • (14) I'm still serene because I'm sure we will have a chance to be judged on the facts.
  • (15) Guests, who included Margaret Thatcher, Bill Clinton and Bill Gates, said the serenity encouraged candidness and conviviality.
  • (16) 'I greet the year 1968 with serenity,' he announced, brimming with self-satisfaction.
  • (17) There’s no bitterness or vitriol on show here, musically at least, with Bowman’s laidback vocals gliding serenely over a juddering, stop-­start beat that eventually disintegrates.
  • (18) Working for nothing and reliant on his family, Niemeyer transformed the Corbusier scheme into the serene, high-rise building that adorns Rio today.
  • (19) He says that drugs are being used “to mask the brutality of executions by making them look serene and peaceful – like something any one of us might experience in our final moments … But executions are, in fact, nothing like that.
  • (20) Manchester City and Chelsea have been comparatively serene in, unlike Arsenal and United, completing much of their transfer business.