Charles Darwin

At some future period, not very distant as measured by centuries, the civilized races of man will almost certainly exterminate, read more

At some future period, not very distant as measured by centuries, the civilized races of man will almost certainly exterminate, and replace the savage races throughout the world

I have steadily endeavored to keep my mind free so as to give up any hypothesis, however much beloved (and read more

I have steadily endeavored to keep my mind free so as to give up any hypothesis, however much beloved (and I cannot resist forming one on every subject), as soon as the facts are shown to be opposed to it.

A man's friendships are one of the best measures of his worth.

A man's friendships are one of the best measures of his worth.

Without speculation there is no good and original observation.

Without speculation there is no good and original observation.

The presence of a body of well-instructed men, who have not to labor for their daily bread, is important to read more

The presence of a body of well-instructed men, who have not to labor for their daily bread, is important to a degree which cannot be overestimated; as all high intellectual work is carried on by them, and on such work material progress of all kinds mainly depends, not to mention other and higher advantages.