The essence of the independent mind lies not in what it thinks, but in how it thinks.

I want to urge you very strongly to travel as much as you can, and to evolve yourself as an internationalist. It's as important a part of your education as a radical as the reading of any book.

The forces of piety have always and everywhere been the sworn enemy of the open mind and the open book.

Thus in order to be a "radical" one must be open to the possibility that one's own core assumptions are misconceived.

When Maimonides says that the Messiah will come but that 'he may tarry, ' we see the origin of every Jewish shrug from Spinoza to Woody Allen.

Try your hardest to combat atrophy and routine. To question The Obvious and the given is an essential element of the maxim 'de omnius dubitandum' [All is to be doubted].

Time passes by, memory staysTorturing silently, rest of our days... Sigh!

When you have robbed a man of everything he is no longer in your power. He is free again.

Ten thousand times I've done my best and all's to do again.

We have made drugs an Olympic event. It receives most of the coverage at the Games and even the suspicion of guilt can ruin a reputation for life.

Take charge of your attitude. Don't let someone else choose it for you.

When the women get the vote, we'll spend more money on the children.

Most cats feel that bird-catching is their duty; the instinct goes back to prehistoric times. Amber keeps in practice by chasing moths.

For a long time I have not said what I believed, nor do I ever believe what I say, and if indeed sometimes I do happen to tell the truth, I hide it among so many lies that it is hard to find.

Maybe the start line was supposed to be your finish line. Don’t be afraid to walk backwards.

Politics may come and go, but Greed goes on forever.