生命太短暂，不要在早晨醒来时带着遗憾。
为可持续性而战，就是为我们的未来而战。
The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have been replaced by a general consensus on the desirability of liberal democracy.
译文：借鉴前代兴衰，考察当下得失。《通鉴》的写作宗旨，直指现实关怀。
It is best to act with confidence, no matter how little right you have to it.
预测未来的最好方式就是创造未来。