Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The best way to learn is by doing and making mistakes.
文学的美妙之处在于它让我们在一生的时间里活出一千种生活。
无论有无宗教,好人都能行善,坏人都会作恶;但要让好人作恶——这需要宗教。