Evolutionary plasticity can be purchased only at the ruthlessly dear price of continuously sacrificing some individuals to death from unfavourable mutations. Bemoaning this imperfection of nature has, however, no place in a scientific treatment of this subject. — Theodosius Dobzhansky Copy Share Image
No known human group... simply throw out its dead without any ritual or ceremony. In stark contrast, no animal practices burial of dead individuals… — Theodosius Dobzhansky Copy Share Image
Scientists often have a naive faith that if only they could discover enough facts about a problem, these facts would somehow arrange themselves in… — Theodosius Dobzhansky Copy Share Image
An accident, a random change, in any delicate mechanism can hardly be expected to improve it. Poking a stick into the machinery of one's… — Theodosius Dobzhansky Copy Share Image
No evidence is powerful enough to force acceptance of a conclusion that is emotionally distasteful. — Theodosius Dobzhansky Copy Share Image
The foundations of population genetics were laid chiefly by mathematical deduction from basic premises contained in the works of Mendel and Morgan and their… — Theodosius Dobzhansky Copy Share Image
Evolution as a process that has always gone on in the history of the earth can only be doubted by those who are ignorant… — Theodosius Dobzhansky Copy Share Image
Does the evolutionary doctrine clash with religious faith? It does not. It is a blunder to mistake the Holy Scriptures for elementary textbooks of… — Theodosius Dobzhansky Copy Share Image
The living world is not a single array... connected by unbroken series of intergrades. — Theodosius Dobzhansky Copy Share Image
Does the evolutionary doctrine clash with religious faith? It does not. It is a blunder to mistake the Holy Scriptures for elementary textbooks of… — Theodosius Dobzhansky Copy Share Image
“Does the evolutionary doctrine clash with religious faith? It does not. It is a blunder to mistake the Holy Scriptures for elementary textbooks of… — Theodosius Dobzhansky Copy Share Image
Pat answers to complex problems are the hallmark of intellectual mediocrity — Theodosius Dobzhansky Copy Share Image
The evolution of life, and the evolutionary origin of mankind, are scientifically established as firmly and completely as any historical event not witnessed by… — Theodosius Dobzhansky Copy Share Image
