Procreation is nature's principal occupation, and every man, whether he be young or old, when meeting every woman measures the potentiality of sex between them.

Joy in looking and comprehending is nature's most beautiful gift.

Look at mother nature on the run in the 1970's.

I'm not into organized religion. I'm into believing in a higher source of creation, realizing we're all just part of nature.

We behold the face of nature bright with gladness.

Though nature grants vast periods of time for the work of natural selection, she does not grant an indefinite period; for as all organic beings are striving, it may be said, to seize on each place in the economy of nature, if any one species does not become modified and improved in a corresponding degree with its competitors, it will soon be exterminated.