Let the living live; and you, gather together your thoughts, leave behind you a legacy of feeling and ideas; you will be most useful so.

Doubt of the reality of love ends by making us doubt everything.

Society rests upon conscience, not upon science.

Every landscape is, as it were, a state of the soul, and whoever penetrates into both is astonished to find how much likeness there is in each detail.

Nature does at least what she can to translate into visible form the wealth of the creative formula. By the vastness of the abysses into which she penetrates, in the effort--the unsuccessful effort--to house and contain the eternal thought, we may measure the greatness of the divine mind.

The unfinished is nothing.

Philosophy starts with doubt and loves only truth.