The most radical revolutionary will become a conservative the day after the revolution.

Every act of conscious learning requires the willingness to suffer an injury to one's self-esteem.

The truth will set you free. But first, it will piss you off.

Where we have strong emotions, we're liable to fool ourselves.

A person often meets his destiny on the road he took to avoid it.

In real life, unlike in Shakespeare, the sweetness of the rose depends upon the name it bears. Things are not only what they are. They are, in very important respects, what they seem to be.

If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.

To be willing to die for an idea is to set a rather high price on conjecture.

The best ideas come as jokes. Make your thinking as funny as possible.