The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.

Worms have played a more important part in the history of the world than humans would at first suppose.

The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.

The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.

From the war of nature, from famine and death, the most exalted object which we are capable of conceiving, namely, the production of the higher animals, directly follows.

Don't be agnostic - be something.

Nature will tell you a direct lie if she can.

I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection.