Wrong life cannot be lived rightly.

Rational discussion is useful only when there is a significant base of shared assumptions.

I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.

To avoid criticism say nothing, do nothing, be nothing.

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?

What can't be cured must be endured.

It is easy to be brave at a safe distance.

The weak can never forgive. Forgiveness is the attribute of the strong.

If you don't want to slip up tomorrow, speak the truth today.

Empty your cup so that it may be filled; become devoid to gain totality.

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

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.

A proverb is much matter distilled into few words.

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence

We are all born ignorant, but one must work hard to remain stupid

Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.

Adapt what is useful, reject what is useless, and add what is specifically your own.

A good teacher protects his pupils from his own influence.

Learning and wisdom are superfluities, the surface glitter merely, but it is the heart that is the seat of all power.

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