For whatever deserves to exist deserves also to be known, for knowledge is the image of existence, and things mean and splendid exist alike.

It is impossible to love and to be wise.

Silence is the sleep that nourishes wisdom.

Begin doing what you want to do now. We are not living in eternity. We have only this moment, sparkling like a star in our hand - and melting like a snowflake.

If a man will begin with certainties, he shall end in doubts, but if he will content to begin with doubts, he shall end in certainties.

All rising to great places is by a winding stair.

It's not what we profess but what we practice that gives us integrity.

Man prefers to believe what he prefers to be true.

There is a difference between happiness and wisdom: he that thinks himself the happiest man is really so; but he that thinks himself the wisest is generally the greatest fool.

Read not to contradict and confute, nor to believe and take for granted... but to weigh and consider.

Life is a marshmallow, easy to chew but hard to swallow.

Men will always be boys.

If you cannot see it, you will not be it

Salem is in part a story of what happens when a set of unanswerable questions meets a set of unquestioned answers.

Now peculiar scraps of knowledge were stuck to him like lint from all his jobs.

The word "superstar" is an ilusion

We never can tell how our lives may work to the account of the general good, and we are not wise enough to know if we have fulfilled our mission or not.

A sign of the death of the heart: lack of sadness about beneficial actions you have missed, and lack of regret about your mistakes.

It is a beautiful world for the people who get to play the fist.

How many days have I spent alone with my cat... and when I say alone, I mean without a material being, for my cat is a mystical companion, a spirit.

We felt that the Gates Foundation looked at our track record and our publications and decided that "this is persuasive; this needs to be done. Let's see what they can do."