Success is doing the best you can with what you have.

The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.

艺术的目的是表现事物的内在意义，而不是外在表象。

The transition to cleaner energy is inevitable, and we must be at the forefront of that change.

The joy of mathematics is in the discovery of patterns and the understanding of their implications.

The best thing to hold onto in life is each other.