Mozart has the classic purity of light and the blue ocean; Beethoven the romantic grandeur which belongs to the storms of air and sea, and while the soul of Mozart seems to dwell on the ethereal peaks of Olympus, that of Beethoven climbs shuddering the storm-beaten sides of a Sinai. Blessed be they both! Each represents a moment of the ideal life, each does us good. Our love is due to both.

The mind must have for ballast the clear conception of duty, if it is not to fluctuate between levity and despair.

We are never more discontented with others than when we are discontented with ourselves.

Every living being seeks instinctively to complete itself.

A belief is not true simply because it is useful.

Man is a willful and covetous animal, who makes use of his intellect to satisfy his inclinations, but who cares nothing for truth, who rebels against personal discipline, who hates disinterested thought and the idea of self-education. Wisdom offends him, because it rouses in him disturbance and confusion, and because he will not see himself as he is.

A man must be able to cut a knot, for everything cannot be untied; he must know how to disengage what is essential from the detail in which it is enwrapped, for everything cannot be equally considered; in a word, he must be able to simplify his duties, his business and his life.