Nature seems at each man's birth to have marked out the bounds of his virtues and vices and to have determined how good or how wicked that man shall be capable of being.

Habit is a second nature that destroys the first. But what is nature? Why is habit not natural? I am very much afraid that nature itself is only a first habit just as habit is a second nature.

Man's true nature being lost everything becomes his nature as his true good being lost everything becomes his good.

Of all nature's gifts to the human race what is sweeter to a man than his children?

To insult someone we call him 'bestial. For deliberate cruelty and nature 'human' might be the greater insult.

There is but one law for all namely that law which governs all law the law of our Creator the law of humanity justice equity - the law of nature and of nations.

Nature holds the key to our aesthetic intellectual cognitive and even spiritual satisfaction.

Nature is an infinite sphere of which the center is everywhere and the circumference nowhere.

Nature never did betray the heart that loved her.

The psychical whatever its nature may be is itself unconscious.