Boards don't hit back.

The future is something which every one reaches at the rate of sixty minutes an hour, whatever he does, whoever he is.

There is nothing like returning to a place that remains unchanged to find the ways in which you yourself have altered.

Confusion of goals and perfection of means seems, in my opinion, to characterize our age.

The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.

After all, science is essentially international, and it is only through lack of the historical sense that national qualities have been attributed to it.

Even if you are divine, you don't disdain male consorts.

The world is moving so fast these days that the man who says it can't be done is generally interrupted by someone doing it.

For the meaning of life differs from man to man, from day to day and from hour to hour. What matters, therefore, is not the meaning of life in general but rather the specific meaning of a person's life at a given moment.

Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense.

I've learned that you shouldn't go through life with a catcher's mitt on both hands; you need to be able to throw something back.

Liberty, according to my metaphysics is a self-determining power in an intellectual agent. It implies thought and choice and power.

Self-esteem comes from being able to define the world in your own terms and refusing to abide by the judgments of others.

Don't take the wrong side of an argument just because your opponent has taken the right side.

Good actions ennoble us, and we are the sons of our deeds.

There is not such a cradle of democracy upon the earth as the Free Public Library, this republic of letters, where neither rank, office, nor wealth receives the slightest consideration.

I don't do drugs, I am drugs

All is mine but nothing owned, nothing owned for memory, and mine only while I look.

Advice to intellectuals: let no-one represent you.

Your personal nature seeks its paradise.

The mind is a superb instrument if used rightly. Used wrongly, however, it becomes very destructive. To put it more accurately... you usually don't use it at all. It uses you.