True youth is a quality which is acquired only with age.

Each time we read, a seed is sown for the future.

Another form of wastefulness is expenditure of words beyond the income of ideas.

He whohurries cannot walk with dignity.

A cup is useful only when it is empty; and a mind that is filled with beliefs, with dogmas, with assertions, with quotations, is really an uncreative mind.

To exaggrerate is to weaken.

The exercise of power is determined by thousands ofinteractions between the world of the powerful and that of the powerless, allthe more so because these worlds are never divided by a sharp line: everyonehas a small part of himself in both.

Write injuries in dust, benefits in marble.

He who truly knows has no occasion to shout

If you ain'tnever pick up the sword, you ain't never have to worry about fallin' on it.

Philosophy may describe unreason, as it may describe force; it cannot hope to refute them.

Learning, the destroyer of arrogance, begets arrogance in fools, even as light that illumines the eye, makes owls blind.