Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.
Charles Darwin

A man who dares to waste one hour of time has not discovered the value of life.
Charles Darwin

It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.
Charles Darwin

Animals, whom we have made our slaves, we do not like to consider our equal.
Charles Darwin

An American monkey, after getting drunk on brandy, would never touch it again, and thus is much wiser than most men.
Charles Darwin

I cannot persuade myself that a beneficent and omnipotent God would have designedly created parasitic wasps with the express intention of their feeding within the living bodies of Caterpillars.
Charles Darwin

A scientific man ought to have no wishes, no affections, - a mere heart of stone.
Charles Darwin