In mathematics, the simplest questions often lead to the deepest insights.
The difference between animals and humans is that humans are capable of reasoning, but even that is unreliable.
Entanglement is not just a curious feature of quantum theory - it is the characteristic trait of quantum mechanics.
The individual has to fashion himself out of the material given by his culture.
写作的行为是一种乐观的行为。如果你觉得它不重要,你就不会费心去做。