Computer science is no more about computers than astronomy is about telescopes.
计算机科学不仅仅是关于计算机的，就像天文学不仅仅是关于望远镜的。
It always seems impossible until it's done.
The mind is divided into parts that sometimes conflict. Like a rider on the back of an elephant, the conscious, reasoning part of the mind has only limited control over the automatic, emotional part.
要有继续追逐梦想的勇气。