当权力稀缺时，一点点权力都充满诱惑。
La poesía es el lenguaje del alma, la voz de lo invisible.
宇宙是一个谜题，而化学是其中的一把钥匙。
膨胀是使宇宙变得平坦、均匀和各向同性的机制。
The soul speaks in symbols, not in words.
怀疑是智慧的开端，而非敌人。
The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.
“我们实现明天的唯一限制是我们今天的怀疑。”