数学中最深刻的发现往往来自于对最基本假设的质疑。
The most profound discoveries in mathematics often come from questioning the most basic assumptions.
众人的好恶容易察明,但自身的缺点好恶则不易发现。
我总以为自己很富有,拥有一朵世上独一无二的花;实际上,我所拥有的不过是一朵普通的玫瑰而已。一朵普通的玫瑰花。
People change and forget to tell each other.