Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

If you can't explain it simply, you don't understand it well enough.

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

Knowing is not enough; we must apply. Willing is not enough; we must do.

Show me a family of readers, and I will show you the people who move the world.

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

In order to stave off covetouness, greed, and spite, citizens world over must be educated.

A cynic is a man who knows the price of everything, and the value of nothing.

The man who is fond of books is usually a man of lofty thought, and elevated opinions.

Study without desire spoils the memory, and it retains nothing that it takes in.

The direction in which education starts a man will determine his future in life

Common sense is the collection of prejudices acquired by age eighteen.

Science is what we have learned about how to keep from fooling ourselves.

The schools ain't what they used to be and never was.

The most savage controversies are those about matters as to which there is no good evidence either way.

Better know nothing than half-know many things.

All stable processes we shall predict. All unstable processes we shall control.

I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.

The only good is knowledge and the only evil is ignorance.

Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.

Don't worry that children never listen to you; worry that they are always watching you.