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

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

Never pick a fight with an ugly person, they've got nothing to lose.

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

Wise men speak because they have something to say; Fools because they have to say something.

Men become wise just as they become rich, more by what they save than by what they receive.

A proverb is much matter distilled into few words.

Convictions are more dangerous enemies of truth than lies.

Blessed are they who hunger and thirst for righteousness for they shall be satisfied.

Obsession is the wellspring of genius and madness.

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

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

It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.

It was a melancholy secret that reality can arouse desires but never satisfy them.

A scholar who cherishes the love of comfort is not fit to be deemed a scholar.

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

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

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

So many people have this idea: I want to achieve something great or be somebody great. And they neglect the step that leads to greatness. They don't honor this step at this moment because they have this idea of some future moment where they are going to be great.

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

There are two educations. One should teach us how to make a living and the other how to live.