The only way to test a hypothesis is to look for all the information that disagrees with it.

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.

Mrs. Bittarcy rustled ominously, holding her peace meanwhile. She feared long words she did not understand. Beelzebub lay hid among too many syllables.("The Man Whom The Trees Loved")

The conflict of theories, leading, as it eventually must, to the survival of the fittest, is advantageous.

To have a great idea, have a lot of them.

So much of what you take for granted is the bedrock of happiness.

Spiritual energy-the energy that comes from pure consciousness-is the creative energy of the universe.

Ten minutes after you lose that last game, you start working on next season.

When you get to be 23, 24 or 25, you start to freeze up and become an adult.

Not content to have the audience in the palm of his hand, he goes one further and clenches his fist.

[Vladimir Putin] complimented him. That led Donald Trump to then compliment Vladimir Putin and to defend Vladimir Putin's actions in a number of places around the world.

For me, prayer is an upward leap of the heart, an untroubled glance towards heaven, a cry of gratitude and love which I utter from the depths of sorrow as well as from the heights of joy.