The evolution of life, and the evolutionary origin of mankind, are scientifically — Theodosius Dobzhansky
The living world is not a single array… connected by unbroken series of intergrades. — Theodosius Dobzhansky
Man is the only living being who has a developed self-awareness and death-awareness. — Theodosius Dobzhansky
Natural selection must be replaced by eugenical artificial selection. This idea constitutes — Theodosius Dobzhansky
Evolutionary plasticity can be purchased only at the ruthlessly dear price of — Theodosius Dobzhansky
Scientists often have a naive faith that if only they could discover enough facts — Theodosius Dobzhansky