克服恐惧的最好方式是用勇气面对它。

能源的未来在于平衡盈利与责任。

在数学中，你并不理解事物。你只是习惯了它们。

The great end of life is not knowledge but action.  

"Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."

I have learned to seek my happiness by limiting my desires， rather than in attempting to satisfy them.

The ultimate search engine would understand everything in the world. It would understand exactly what you meant, and it would give you back exactly what you wanted.

Existence is not its own justification.