A child miseducated is a child lost.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

To every action there is always an equal and opposite or contrary, reaction

The task of a writer is not to solve the problem but to state the problem correctly.

Human behavior flows from three main sources: desire, emotion, and knowledge

Industrialize or perish.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

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

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

There is no authority who decides what is a good idea.

I have no special talents. I am only passionately curious.

If you want the present to be different from the past, study the past.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

What is now proved was once only imagined.

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

An investment in knowledge pays the best interest.

It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.

When you know better you do better.

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

It is what you read when you don't have to that determines what you will be when you can't help it.