Never stop learning; the moment you do, you start falling behind.
永远不要停止学习；一旦停止，你就会开始落后。
Illustrations should not just decorate the text; they should expand it.
Quantum cryptography doesn't rely on the difficulty of mathematical problems, but on the fundamental laws of physics.
生活中最重大和最重要的问题从根本上都是无法解决的。它们永远无法被解决，只能被超越。
合作是解决我们今天面临的复杂能源挑战的关键。