one doesn't measure friendship by length of time only; depth of time is just as valuable.

Men who use terrorism as a means to power, rule by terror once they are in power.

The sad discovery of the adult world was the permanent truth: you don't always do what you want to do; you do what you must.

Just remember enough never to be vulnerable again: total forgetting could be as self-destructive as complete remembering.

And it's the educated barbarian who is the worst: he knows what to destroy.

Inquisitive people aren't really very attractive, are they?

Life to most Greeks may be either tragic or comic or a mixture of both; but one thing it never is - and that is, meaningless.

Expect the worst, and you won't be disappointed.

The mind is more vulnerable than the stomach, because it can be poisoned without feeling immediate pain.

Civilization is a perishable commodity.

Nihilists expend everything and everyone except themselves. They are the indispensable men, without whom the world might try to live almost happily.

Happiness is the highest form of self-respect. A person who allows himself to be happy shows his self-respect.

Your mind can only be as strong as the words that you repeatedly feed to it.

As long as you persecute people, you will actually throw up terrorism.

I think feminists are unaware of the tremendous extent of the role of women in history.

Bayesian statistics is difficult in the sense that thinking is difficult.

Being bullied means you’re special and that’s what I want all kids to know.

Reason like science, grows by way of mutual criticism; the only possible way of planning its growth is to develop those institutions that safeguard. the freedom of thought

But you can't just sit around the fireplace and sip Cokes and eat pretzels and get an attitude of confidence. You have to put in hard work.

Of all the conditions we experience, solitude is perhaps the most misunderstood.