No man has any natural authority over his fellow men.

Intellectuals solve problems, geniuses prevent them.

Wrong life cannot be lived rightly.

All the great things are simple, and many can be expressed in a single word: freedom; justice; honor; duty; mercy; hope.

The absent are never without fault, nor the present without excuse.

I've never known any trouble than an hour's reading didn't assuage.

There's no sense in being precise when you don't even know what you're talking about.

The greatest power we have is the power of choice.

The most courageous act is still to think for yourself. Aloud.

Your reputation is in the hands of others. That's what the reputation is. You can't control that. The only thing you can control is your character.

Where you stand depends on where you sit.

The noblest pleasure is the joy of understanding.

Those who can not change their minds can not change anything.

Those who know, do. Those that understand, teach.

All imperfection is easier to tolerate if served up in small doses.

It is necessary to keep one's compass in one's eyes and not in the hand, for the hands execute, but the eye judges.

If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.

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.

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.

If I speak of myself in different ways, that is because I look at myself in different ways.