Charles Darwin

Sexual selection will also be largely dominated by natural selection tending towards the general welfare of the species.

Charles Darwin

Since all organisms vary, and all reproduce themselves in greater numbers than can survive, there must always be competition between variants; in other words, the principle of natural selection, too, is universally applicable.

Charles Darwin

So great is the economy of Nature, that most flowers which are fertilized by crepuscular or nocturnal insects emit their odor chiefly or exculsively in the evening.

Charles Darwin

So in regard to mental qualities, their transmission is manifest in our dogs, horses and other domestic animals. Besides special tastes and habits, general intelligence, courage, bad and good tempers. etc., are certainly transmitted.

Charles Darwin

Such simple instincts as bees making a beehive could be sufficient to overthrow my whole theory.

Charles Darwin

Sympathy beyond the confines of man, that is, humanity to the lower animals, seems to be one of the latest moral acquisitions.

Charles Darwin

Sympathy for the lowest animals is one of the noblest virtues with which man is endowed.

Charles Darwin

Sympathy will have been increased through natural selection.

Charles Darwin

The age-old and noble thought of ‘I will lay down my life to save another,’ is nothing more than cowardice.

Charles Darwin

The expression often used by Mr. Herbert Spencer of the Survival of the Fittest is more accurate, and is sometimes equally convenient.

Charles Darwin