如果你对每隻向你吠的狗，都停下来扔石头，你永远到不了目的地。

You can't please everyone, so don't try.

权力平衡是维持国际体系和平的唯一途径。

It is not a lack of love，but a lack of friendship that makes unhappy marriages.

继续前进，继续相信，永不放弃。