Because the heart beats under a covering of hair, of fur, feathers, or wings, it is, for that reason, to be of no account?

A scholar knows no boredom.

The happiness of life consists, like the day, not in single flashes (of light), but in one continuous mild serenity. The most beautiful period of the heart's existence is in this calm equable light, even although it be only moonshine or twilight. Now the mind alone can obtain for us this heavenly cheerfulness and peace.

Age doesn't matter, unless your cheese.

In science the new is an advance; but in morals, as contradicting our inner ideals and historic idols, it is ever a retrogression.

I have made as much out of myself as could be made of the stuff, and no man should require more.

Never write on a subject without first having read yourself full on it; and never read on a subject till you have thought yourself hungry on it.