If there is anything worth fearing in the world, it is living in such a way that gives one cause for regret in the end.

Misuse of reason might yet return the world to pre-technological night; plenty of religious zealots hunger for just such a result, and are happy to use the latest technology to effect it.

Future generations may or may not judge Wittgenstein to be one of the great philosophers. Even if they do not, however, he is sure always to count as one of the great personalities of philosophy. From our perspective it is easy to mistake one for the other; which he is time will tell.

I despise people who depend on these things [heroin and cocaine]. If you really want a mind-altering experience, look at a tree.

To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.

Humanism is the philosophy that you should be a good guest at the dinner table of life.

And I say, the meaning of life is what you make it. There will be as many different meaningful lives as there are people to live them.