You cannot have a rational discussion with a man who prefers shooting you to being convinced by you.

True ignorance is not the absence of knowledge, but the refusal to acquire it.

The growth of knowledge depends entirely upon disagreement.

In so far as a scientific statement speaks about reality, it must be falsifiable; and in so far as it is not falsifiable, it does not speak about reality.

The question is not how to get good people to rule; THE QUESTION IS: HOW TO STOP THE POWERFUL from doing as much damage as they can to us.

If you can't say it simply and clearly, keep quiet, and keep working on it till you can.

The best thing that can happen to a human being us to find a problem, to fall in love with that problem, and to live trying to solve that problem, unless another problem even more lovable appears.

Ignorance is not a simple lack of knowledge but an active aversion to knowledge, the refusal to know, issuing from cowardice, pride, or laziness of mind.

A theory which is not refutable by any conceivable event is non-scientific. Irrefutability is not a virtue of a theory (as people often think) but a vice.

I may be wrong and you may be right, and by an effort, we may get nearer to the truth

The attempt to make heaven on earth invariably produces hell.

Power can be taken, but not given. The process of the taking is empowerment in itself.

Time has no independent existence apart from the order of events by which we measure it.

The truth of Moore's law has made remarkable things possible. On the software side, I think natural user interfaces in all their forms are equally significant.

I would love to, if someone would lend me the money.

He laughed. The laugh could strip the skin off an elephant in seconds.

When a person understands what sort of existence a human being is, and what exactly the "self" is, that person has been liberated forever.

If you look at payments to labor as a proportion of national income or gross domestic product, you find profits going way up, investment and savings going up.

The Verse-Refrain form starts with a context before the topic that the Refrain is talking about happens.

One can have great concern for the people of Ethiopia, but it's another thing to inflict daily torture on the people of England.

I photograph like a documentarian, but I print like a painter