The best way to be successful is to never give up.
There is a kind of bird that can never be closed, for its feathers are shining bright.
翻译：贤明的君主和将领，之所以一出兵就可以战胜敌人，成就的功业超过一般人，是因为他们能事先探明敌情。事先探明敌情，不能使用占卜的手段获取，不可用类比的方法获取，也不可推验日月星辰运行来获取。一定要取之于人，取之于了解敌情的人。
A arte é a expressão máxima da liberdade humana.
Die größte Gefahr im Leben ist, dass man zu viele Vorsichtsmaßnahmen trifft.
Law is not a system of rules, but a union of primary and secondary rules.