成功是日复一日微小努力的总和。
Success is the sum of small efforts repeated day in and day out.
A man who does not keep his word is no man at all.
The mind is a biological adaptation shaped by evolution.
要成为一个好的数学家,你需要既有直觉又有严谨。
世界上充满了显而易见的事情,却没有人注意到。