The only limits you have are the limits you believe.

书籍是理解世界的钥匙。

能源的未来在于多样化和适应性。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

我总以为自己很富有，拥有一朵世上独一无二的花；实际上，我所拥有的不过是一朵普通的玫瑰而已。一朵普通的玫瑰花。