Combinatorics is like the art of counting without actually counting.

The key to successful investing is to have a clear understanding of the market, the risks involved, a disciplined approach, a long-term perspective, a strong understanding of the fundamentals, a clear understanding of the risks and rewards, and a strong understanding of the market psychology.

A good learning algorithm should be able to generalize from a limited set of examples to unseen data.

The dead speak if you know how to listen.