“ Let us hold our discussion together in our own persons, making trial of the truth and of ourselves. 让我们以我们自己的身份共同讨论,检验真理和我们自己。 Protagoras 普罗泰戈拉
“ A man should choose a friend who is better than himself. There are plenty of acquaintances in the world; but very few real friends. 一个人应该选择一个比他自己更好的朋友。世界上有很多熟人;但真正的朋友却寥寥无几。 佚名