When the mind's eye rests on objects illuminated by truth and reality, it understands and comprehends them, and functions intelligently; but when it turns to the twilight world of change and decay, it can only form opinions, its vision is confused and its beliefs shifting, and it seems to lack intelligence.

But at three, four, five, and even six years the childish nature will require sports; now is the time to get rid of self-will in him, punishing him, but not so as to disgrace him.

Honesty is for the most par less profitable than dishonesty.

Fly from the company of the wicked--fly and turn not back.

As wolves love lambs so lovers love their loves.

My plainness of speech makes people hate me, and what is their hatred but a proof that I am speaking the truth.

Experience proves that anyone who has studied geometry is infinitely quicker to grasp difficult subjects than one who has not.