Charles Darwin

It is a fatal fault to reason whilst observing, though so necessary beforehand and so useful afterwards.

Charles Darwin

It is always advisable to perceive clearly our ignorance.

Charles Darwin

It is scarcely possible to doubt that the love of man has become instinctive in the dog.

Charles Darwin

Man selects only for his own good: Nature only for that of the being which she tends.

Charles Darwin

Much love much trial, but what an utter desert is life without love.

Charles Darwin

Multiply, vary, let the strongest live and the weakest die.

Charles Darwin

Music was known and understood before words were spoken.

Charles Darwin

Some call it evolution, and others call it God.

Charles Darwin

Species that struggle to adapt to survive will become extinct.

Charles Darwin

The moral faculties are generally and justly esteemed as of higher value than the intellectual powers.

Charles Darwin