最重要的是对自己诚实，对你扮演的角色诚实。
The most important thing is to be honest with yourself and to the character you're playing.
It's not a rebel song, it's 'Sunday Bloody Sunday'.
数学是为不同事物赋予相同名称的艺术。
宇宙、天地，有它自然的运行规律，是持久不变的，不会以人的意志为转移，它既不会因为有像尧那样的仁德君主而存在，也不会因为有像夏桀那样残暴的君主而消失。顺应自然规律来治理国家，就会获得吉祥；如果违背自然规律，就会招来灾难。
The most significant threat to liberal democracy comes from within, from the decay of institutions and the loss of trust in them.
Efficiency without ethics is empty progress.
Better to have 1 super user than 100 ordinary users.
Stay hungry, stay foolish.