Where there is shouting, there is no true knowledge.

Where the spirit does not work with the hand, there is no art.

Water is the driving force of all nature.

Time stays long enough for anyone who will use it.

The truth of things is the chief nutriment of superior intellects.

Life well spent is long.

Why does the eye see a thing more clearly in dreams than the imagination when awake?

Nature never breaks her own laws.

Nothing strengthens authority so much as silence.

Our life is made by the death of others.

Simplicity is the ultimate sophistication.

The function of muscle is to pull and not to push, except in the case of the genitals and the tongue.

The greatest deception men suffer is from their own opinions.

The human foot is a masterpiece of engineering and a work of art.

The noblest pleasure is the joy of understanding.