The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
The best investment strategy is one that is simple, low-cost, and focused on the long-term.
Words are the bridge between the inner and outer world.
The only way to do great work is to love what you do.
Never use a credit card for credit. The only kind of credit, or debt, that is acceptable is debt to acquire something whose exchange value is extremely likely to increase, like in a home. The exchange value of most things diminishes or vanishes the moment you purchase them. Don’t be in debt to losers.