在衣着上你可以不修边幅,但切不可让灵魂染上污点。
The man who listens to Reason is lost: Reason enslaves all whose minds are not strong enough to master her.
The best mathematics is not just rigorous; it is also elegant.
统计学是文明的火炬手,是进步的真正衡量标准。
自由不是做我们想做的事情的权力,而是做我们应该做的事情的权利。