投票给承诺最少的人；他将是最不令人失望的。

Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.

科学与艺术属于整个世界，在它们面前，民族的障碍都消失了。

市场竞争激烈，只有不断学习才能立于不败之地。