Real recognize real.
真金不怕火炼。
思想需要书来磨砺，正如宝剑需要磨刀石。
The only way to succeed in business is to be better than the competition.
真正的历史学家是真理的战士。
In times of crisis, true leadership is tested and revealed.
爱是非理性的。你越爱一个人，就越没有道理可言。