“The discovery which has been pointed to by theory is always one of profound interest and importance, but it is usually the close and crown of a long and fruitful period, whereas the discovery which comes as a puzzle and surprise usually marks a fresh epoch and opens a new chapter in science.” LongHas BeensScienceInterestTheoryPeriodsDiscoveryImportanceMarkSurpriseProfoundChaptersCrownsPuzzlesEpoch Author:Oliver Lodge
“It is indubitable that a 50-year-old mathematician knows the mathematics he learned at 20 or 30, but has only notions, often rather vague, of the mathematics of his epoch, i.e. the period of time when he is 50.” KnowsYearsPeriodsMathematicsNotionMathematicianVagueEpoch Author:Jean Dieudonne
“Type is one of the most eloquent means of expression in every epoch of style. Next to architecture, it gives the most characteristic portrait of a period and the most severe testimony of a nation's intellectual status.” GivingMeanNextNationsStyleExpressionTypePeriodsIntellectualArchitectureCharacteristicsPortraitsSevereTestimonyEloquentEpoch Author:Peter Behrens
“In our case, we are in the Cenozoic Era, which started at the end of the time of the dinosaurs. We are in the Quaternary Period, which is within the Cenozoic Era. And within the Quaternary, we are in the Holocene Epoch.” EndsCasesPeriodsErasDinosaursEpoch Author:Kenneth Lacovara