民主不是旁观者的运动。它需要积极参与和对社会正义的承诺。

对称性不仅是自然的一种属性，而且是寻找物理定律的指导原则。

Data is the new oil, but how to refine it is the key.

Happiness is a gift and the trick is not to expect it, but to delight in it when it comes.

The only constant in agriculture is change—embrace it.

需要教会男孩，真正的力量不是支配，而是正直和善良。