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

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

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

If you do what you've always done, you'll get what you've always gotten.

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

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

Judge not unless you judge yourself.

In anger we should refrain both from speech and action.

We thought that we had the answers, it was the questions we had wrong.

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.

When you judge another, you do not define them, you define yourself.

Those who cannot work with their hearts achieve but a hollow, half-hearted success that breeds bitterness all around.

Love one another, but make not a bond of love: Let it rather be a moving sea between the shores of your souls.

One never notices what has been done; one can only see what remains to be done.

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.

Never argue with an idiot. They drag you down to their level and then beat you with experience.

Accuracy is the twin brother of honesty; inaccuracy, of dishonesty.

Where wisdom reigns, there is no conflict between thinking and feeling.

The greatest pride, or the greatest despondency, is the greatest ignorance of one's self.

It is a wise man that does know the contented man is never poor, whilst the discontented man is never rich.

The future is uncertain but the end is always near.