The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
The Langlands program is not a static set of conjectures but a dynamic field of research.
I think the best films are the ones that leave you with questions, not answers.
The artist must remain free, even from his own style.
Risk management is the most important thing to be well understood. If you don't have a good risk management system, you are going to blow up.