風平浪靜比狂風暴雨更惡劣， 毫無敵人比任何敵人更危險。 There is no storm worse than calm, and no foe more dangerous than to have no foes.

要所有人走同一條路是危險的：把自己和別人比較更壞。 It is dangerous to make everybody go forward by the same road: and worse to measure others by oneself.