力的统一不仅是理论的梦想，更是自然对称性所决定的必然。

小农户是全球农业的支柱；赋予他们权力是我们的共同责任。

The greatest danger is not that we will lose our way, but that we will become content with where we are.

理解自然的复杂性是终极挑战。

Leadership is about making the tough decisions when no one else will.

孩子们喜欢安静练习与自由选择。