每一代人都应视地球为信托。

The deepest wounds are invisible.

我读一本无聊的书睡着了，梦见我继续读着，所以我因纯粹的厌倦而醒来。

Machinery and labor-saving devices are only valuable as they serve to reduce the cost of manufacture.

Diplomacy is to achieve win-win results through compromise, not to seek victory through confrontation.

Mathematical intuition is like a muscle - it grows stronger with exercise.

最好的艺术既是个人的，也是普遍的。