We must live together as brothers or perish together as fools.

Criticize the act, not the person.

In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.

There is nothing more uncommon than common sense.

For we walk by faith, not by sight

Common sense is in spite of, not as the result of education.

If you're happy, don't worry you'll get over it.

Gravity is only the bark of wisdom's tree; but it preserves it

Creativity is the greatest rebellion in existence.

Appearances often are deceiving.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.

Be curious, not judgmental.

As our case is new, we must think and act anew.

I've come to believe that all my past failure and frustration were actually laying the foundation for the understandings that have created the new level of living I now enjoy.

Although our intellect always longs for clarity and certainty, our nature often finds uncertainty fascinating.

Early to bed and early to rise, Makes a man healthy, wealthy, and wise.

Take care of the pieces well. The whole will take care of itself.

What you're thinking is what you're becoming.

A man who as a physical being is always turned toward the outside, thinking that his happiness lies outside him, finally turns inward and discovers that the source is within him.

A scholar who cherishes the love of comfort is not fit to be deemed a scholar.

Man is not the creature of circumstances, Circumstances are the creatures of men.