A hedge between keeps friendship green.

The fourfold root of the principle of sufficent reason is "Anything perceived has a cause. All conclusions have premises. All effects have causes. All actions have motives.

It is most important to allow the brain the full measure of sleep which is required to restore it; for sleep is to a man's whole nature what winding up is to a clock.

Obstinacy is the result of the will forcing itself into the place of the intellect.

This is the case with many learned persons; they have read themselves stupid.

Solitude will be welcomed or endured or avoided, according as a man's personal value is large or small.

If God made this world, then i would not want to be the God. It is full of misery and distress that it breaks my heart.