Now this principle of induction cannot be a purely logical truth like a tautology or an analytic statement. . . .

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.

It would be wrong to refuse to face the fact that everything is fundamentally sick and sad.

It may not be important how much you have, but it is important who you are in your heart.

You can never hide your attitude so be generous. Always show your best attitude and life will be beautiful.

Capture your youth, while you can.

Well done girl, I . . I admire your treachery.' Ecruba hissed at Edith.

Who are those we love? Only those we do not hate.

Family is the last and greatest discovery. It is our last miracle.

Lots of people were skeptical, but that's always true when you do something that hasn't been done before.

I wear black because I'm comfortable in it. But then in the summertime when it's hot I'm comfortable in light blue.

It is absolutely beyond a shadow of a doubt that more firearms in a society actually cuts the amount of crime in that same society.