The hardest decisions often yield the greatest rewards.

"To love is to risk not being loved in return. To hope is to risk pain. To try is to risk failure, but risk must be taken because the greatest hazard in life is to risk nothing."

Quality is not a theory; it is a practice.

The only limit to our realization of tomorrow will be our doubts of today.

A team's ceiling is often determined by the leader's cognitive boundaries.

We don’t start with models. We start with data. We don’t have any preconceived notions. We look for things that can be replicated thousands of times. A trouble with convergence trading is that you don’t have a time scale. You say that eventually things will come together.Well， when is eventually？