We obtain better knowledge of a person during one hour's play and games than by conversing with him for a whole year

It is as expedient that a wicked man be punished as that a sick man be cured by a physician; for all chastisement is a kind of medicine.

What is at issue is the conversion of the mind from the twilight of error to the truth, that climb up into the real world which we shall call true philosophy.

There are few people so stubborn in their atheism who, when danger is pressing in, will not acknowledge the divine power.

The highest form of pure thought is in mathematics.

He who steals a little steals with the same wish as he who steals much, but with less power.

To win over your bad self is the grandest and foremost of victories.