战略就是选择。战略就是对某些事情说不。

心理学是精神生活的科学，而不仅仅是其元素的分类。

The study of mathematics is like air or gravity—it is everywhere, and you can't see it, but you know it's there.

Resilience isn’t about avoiding failure; it’s about learning from it and coming back stronger.

电子是化学中最重要的实体。

地球唱着Mi, Fa, Mi：你甚至可以从音节中推断出，在我们这个家园中，苦难和饥荒占据着统治地位。