He alone is free who lives with free consent under the entire guidance of reason.

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

Madame, all stories, if continued far enough, end in death, and he is no true-story teller who would keep that from you.

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

Tis very certain the desire of life prolongs it.

Each problem that I solved became a rule which served afterwards to solve other problems.

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

A man is literally what he thinks.

Challenges are gifts that force us to search for a new center of gravity. Don't fight them. Just find a new way to stand.

Men are not prisoners of fate, but only prisoners of their own minds.

Experience is the only prophecy of wise men.

Realize deeply that the present moment is all you ever have.

No man has any natural authority over his fellow men.

Whatever it is you're seeking won't come in the form you're expecting.

We sometimes congratulate ourselves at the moment of waking from a troubled dream; it may be so the moment after death.

What a man does for others, not what they do for him, gives him immortality.

We may encounter many defeats but we must not be defeated.

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

It is not enough to have a good mind; the main thing is to use it well.

Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.

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