Nature's stern discipline enjoins mutual help at least as often as warfare. The fittest may also be the gentlest.
Theodosius DobzhanskyThe more we know, the better we realize that our knowledge is a little island in the midst of an ocean of ignorance.
Theodosius DobzhanskyEvolution as a process that has always gone on in the history of the earth can only be doubted by those who are ignorant of the evidence or are resistant to evidence, owing to emotional blocks or plain bigotry.
Theodosius DobzhanskyThere is no doubt that human survival will continue to depend more and more on human intellect and technology. It is idle to argue whether this is good or bad. The point of no return was passed long ago, before anyone knew it was happening.
Theodosius Dobzhansky