The greatest wisdom is to know that you know nothing.
The truth is rarely pure and never simple.
逻辑学的研究是对正确推理原则的研究。
In philosophy, the winner of the race is the one who gets there last.
解释：做朝廷的臣，应该尽忠职守勇于谏言，做百姓的君王，应该广开言路不堵塞民声，才是国家的福泽。