Most people are sceptical about the wrong things and gullible about the wrong things.

Success is about honour, feeling morally calibrated, absence of shame, not what some newspaper defines from an external metric.

Dress your best on your execution day. Be extremely courteous to your assistant when you lose money. Try not to blame others for your fate, even if they deserve blame. Never exhibit any self-pity. Do not complain.

We should probably stop trading derivatives, anything more complex than regular options ... I am an options trader, and I don't understand options. How do you want a regulator to understand them?

An idea starts to be interesting when you get scared of taking it to its logical conclusion.

A mistake is not something to be determined after the fact, but in the light of the information until that point.

To be completely cured of newspapers, spend a year reading the previous week's newspapers.