古代著书立说的人，都是有所为而发的。

The key to successful investing is to have a long-term perspective.

成功的秘诀在于对失败的深刻理解。

The richness I achieve comes from nature, the source of my inspiration.

The key to success is to focus on goals, not obstacles.

Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you.

从化石燃料中受益最少的国家不应承担气候变化的最沉重负担。