Books are for people who wish they were somewhere else.

Opinion is the medium between knowledge and ignorance.

If the facts don't fit the theory, change the facts.

The white man is very clever. He came quietly and peaceably with his religion. We were amused at his foolishness and allowed him to stay. Now he has won our brothers, and our clan can no longer act like one. He has put a knife on the things that held us together and we have fallen apart.

When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.

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

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

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

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

If there were no bad people, there would be no good lawyers.

Just because I don't care doesn't mean I don't understand.

Necessity is the mother of invention.

I am a part of everything that I have read.

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

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

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

No man's knowledge here can go beyond his experience.

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

The man who does not read good books has no advantage over the man who can't read them.

The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.