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

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.

The attempt to make heaven on earth invariably produces hell.

Evolution is not a fact. Evolution doesn't even qualify as a theory or as a hypothesis. It is a metaphysical research program, and it is not really testable science.

We must stop destroying human capacity. Now.Too many of today’s leaders are holding back the future because it comes wrapped in risks.

I love you, Quinn Shaughnessy. From the very first day when we snuck into my house and stole those chocolate chip cookies and then hid behind the jungle gym, I was hooked.

Women and men in the crowd meet and mingle, Yet with itself every soul standeth single.

If you run you stand a chance of losing, but if you don't run you've already lost.

If I'm at somebody's house and they have magazines on the table and people are chatting, I feel almost a physical urge to start reading the magazines instead of talking to people.

The birth and death of leaves is part of that greater cycle that moves among the stars.

There is only one goal. That's to keep working and keep flossing.

There's never a surefire good career move except doing good work.

Social media is its own sort of thing: Twitter and Facebook have changed the way everyone perceives everything.

In the last 15 to 20 years the best central midfielder that I have seen - the most complete - is SCHOLES