An open society is a society which allows its members the greatest possible degree of freedom in pursuing their interests compatible with the interests of others.

Once we realize that imperfect understanding is the human condition there is no shame in being wrong, only in failing to correct our mistakes.

I'm not better than the next trader, just quicker at admitting my mistakes and moving on to the next opportunity.

There is no point in being confident and having a small position.

It's not whether you're right or wrong that's important, but how much money you make when you're right and how much you lose when you're wrong

To others, being wrong is a source of shame; to me, recognizing my mistakes is a source of pride.

The main obstacle to a stable and just world order is the United States.

Now that I have called you on your false accusation, you are using additional smear tactics.

Esperanto was a very useful language, because wherever you went, you found someone to speak with.

Stock market bubbles don't grow out of thin air. They have a solid basis in reality, but reality as distorted by a misconception.

The sovereignty of states must be subordinated to international law and international institutions.

Every trial toughens the soul.

when one's avenue of retreat is cut off there is only one way to go - forward.

I didn't know how to tell him that I hadn't lost the instinct to survive and yet at the same time I didn't feel much need for self-preservation, that somehow there was a distinction between the two.

There is safety in the very heart of danger.

The more I see of men, the better I like my dog.

Prayer is not a preparation for the battle; it is the battle!

Therefore, O students, study mathematics and do not build without foundations.

There is a moment, a chip in time, when leaving home is the lesser crime.

America was founded by people who believe that God is their Rock of safety.

Lord, if there is a heartache Vienna cannot cure I hope never to feel it. I came home cured of everything except Vienna.