算法的发展既是一门艺术,也是一门科学。
要注重方向而非盲目努力
Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.
My greatest anxiety arises from the apprehension that I shall not be able to complete the work I have undertaken in the manner I wish.
The world is before you and you need not take it or leave it as it was when you came in.