传记的挑战不仅在于记录,更在于照亮。
不修养品德,不讲习学问,听到正义不能追随,有缺点不能改正,这些都是我所忧虑的。
Hope is the last thing to die, and the first thing to betray you.
随机实验是因果推理的黄金标准,但它们并不总是可行的。
To understand a sentence means to understand a language.