It is not enough to acquire wisdom, it is necessary to employ it.

Everyone has the obligation to ponder well his own specific traits of character. He must also regulate them adequately and not wonder whether someone else's traits might suit him better. The more definitely his own a man's character is, the better it fits him.

Mathematics is an obscure field, an abstruse science, complicated and exact; yet so many have attained perfection in it that we might conclude almost anyone who seriously applied himself would achieve a measure of success.

The strictest law often causes the most serious wrong

It is difficult to persuade mankind that the love of virtue is the love of themselves.

It is a common saying that many pecks of salt must be eaten before the duties of friendship can be discharged.

A thankful heart is the greatest virtue.