Customer trust is hard to earn and easy to lose; never take it for granted.

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

哲学的本质不是拥有真理，而是寻找真理。

It is vain to expect virtue from women till they are, in some degree, independent of men.

神经系统是一个动态的、不断变化的系统。