You can't go back and change the beginning, but you can start where you are and change the ending.
人往往将现况归咎于环境因素,但我不相信造化弄人。世界上出类拔萃的人都是运筹帷幄,主动找寻自己想要的环境。要是遍寻不获,他们就创造一个。
The real challenge in computer science is not to write programs, but to understand the nature of computation.