People who labor all their lives but have no purpose to direct every thought and impulse toward are wasting their time-even when hard at work.

From my grandfather's father, I learned to dispense with attendance at public schools, and to enjoy good teachers at home, and to recognize that on such things money should be eagerly spent.

Within ten days thou wilt seem a god to those to whom thou art now a beast and an ape, if thou wilt return to thy principles and the worship of reason.

The whole universe is change and life itself is but what you deem it

Every man's life lies within the present; for the past is spent and done with, and the future is uncertain.

Though you break your heart, men will go on as before.

Understand however that every man is worth just so much as the things are worth about which he busies himself.