Don't disturb complicated systems that have been around for a very long time. We don't understand their logic. Don't pollute the planet. Leave it the way we found it, regardless of scientific 'evidence'.

Debt is a mistake between lender and borrower, and both should suffer.

If you're going to fail, you'd rather fail early than fail late in general.

My nightmare scenario is that the government saves Citibank once again, as well as the other banks, and business resumes as usual. Then, the next time the system breaks, it breaks much, much bigger.

Missing a train is only painful if you run after it! Likewise, not matching the idea of success others expect from you is only painful if that’s what you are seeking.

Never, never, never think - that's one lesson you should have in life. Never think that lack of variability is stability.

Work hard, not in grunt work, but in chasing such opportunities and maximizing exposure to them. This makes living in big cities invaluable because you increase the odds of serendipitous encounters-you gain exposure to the envelope of serendipity.