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

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

Industrialize or perish.

Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.

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

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

A child educated only at school is an uneducated child.

The most important part of teaching is to teach what it is to know.

The first idea the child must acquire is that of the difference between good and evil.

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

The secret of life is not enjoyment but education through experience.

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

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

Imagination is more important than knowledge.

It is beyond a doubt that all our knowledge begins with experience.

Education is the kindling of a flame, not the filling of a vessel.

Investigate, educate and organize the country must progress, productive works and industries are the main avenues at present next to education for the advancement of the country

I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.

The deepest sin against the human mind is to believe things without evidence.

Those who fail to learn the lessons of history are doomed to repeat them.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.