Only one-fourth of the sorrow in each man's life is caused by outside uncontrollable elements, the rest is self-imposed by failing to analyze and act with calmness.

No man is ever old enough to know better.

We are more inclined to regret our virtues than our vices; but only the very honest will admit this.

Genius is intuition on fire.

Originality is only variation.

Book-love, I say again, lasts throughout life, it never flags or fails, but, like Beauty itself, is a joy forever.

Pedantry is the dotage of knowledge.