“It remains true, as every paleontologist knows, that most new species, genera, and families, and that nearly all categories above the level of families, appear in the record suddenly and are not led up to by known, gradual completely continuous transitional sequences.” KnowsLevelsKnownRecordsEvolutionRemainsSpeciesCategoriesFossilsSequenceStasis Author:George Gaylord Simpson
“Human judgment is notoriously fallible and perhaps seldom more so than in facile decisions that a character has no adaptive significance because we do not know the use of it.” KnowsHumansCharacterUseScienceDecisionJudgmentSignificanceAdaptive Author:George Gaylord Simpson
“I don't know where to put whales. I'm sticking them here, but I don't have any reason for it.” KnowsReasonWhales Author:George Gaylord Simpson
