The idea that is not dangerous is not worthy of being called an idea at all.

Christianity supplies a Hell for the people who disagree with you and a Heaven for your friends.

The teacher is one who makes two ideas grow where only one grew before.

Be pleasant until ten o'clock in the morning and the rest of the day will take care of itself.

The object of teaching a child is to enable him to get along without his teacher.

Knowledge is the distilled essence of our institutions, corroborated by experience.

A little more persistence, a little more effort, and what seemed hopeless failure may turn to glorious success.