The Holocaust is not something you can describe; it's something you can only survive.
数学不是观赏性运动,你必须参与其中才能理解。
物理定律在宇宙的每一个角落都是相同的,这是宇宙统一性和连贯性的证明。
医生对待病患的例子
Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.