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

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

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

If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.

If you buy what you do not need, you will need what you cannot buy.

If you don't like someone's story, write your own.

No one can make you feel inferior without your consent.

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

I don't know, I don't care, and it doesn't make any difference.

The cure for pain is in the pain.

Do not pray for an easy life, pray for the strength to endure a difficult one.

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

A single lie destroys a whole reputation of integrity.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

Words mean more than what is set down on paper. It takes the human voice to infuse them with deeper meaning.

Simplicity is the ultimate sophistication.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

Everything excellent is as difficult as it is rare.

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

Appearances often are deceiving.

Thought can be so seductive and hypnotic that it absorbs your attention totally, so you become your thoughts.