It is neither good nor bad, but thinking makes it so.

It is tact that is golden, not silence.

Honesty is the first chapter in the book of wisdom.

There are things known and there are things unknown, and in between are the doors of perception.

The only real mistake is the one from which we learn nothing.

Just remember, once you're over the hill you begin to pick up speed.

Everything excellent is as difficult as it is rare.

In anger we should refrain both from speech and action.

I know I am but mortal and so therewhilst prepare myself for death, whensoever it shall please God to send it.

Do not deny the classical approach, simply as a reaction, or you will have created another pattern and trapped yourself there.

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

Good means not merely not to do wrong, but rather not to desire to do wrong.

Be silent or let thy words be worth more than silence.

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

The simple things are also the most extraordinary things, and only the wise can see them.

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

A single lie destroys a whole reputation of integrity.

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

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.

You cannot truly listen to anyone and do anything else at the same time.

Nature is pleased with simplicity. And nature is no dummy