Mathematics is the foundation upon which we build our understanding of the world, and it is through this understanding that we can solve the most complex problems.
Never overtrade. To do so is to violate a fundamental rule of successful trading.
The true measure of a mining company's success is its ability to leave a positive legacy for future generations.
——辛格1978年诺贝尔文学奖获奖演说
任何牺牲基本自由以换取短暂安全的人，最后既得不到安全也得不到自由。（放弃基本的自由以换取苟安的人，终归失去自由，也得不到安全。）