Plans are worthless， but planning is everything.
我不喜欢做简单的事，我喜欢接受挑战。
Psychology should help us understand how we meet life's challenges.
The true artist will let his wife starve, his children go barefoot, his mother drudge for his living at seventy, sooner than work at anything but his art.
The study of formal languages and automata is essential for understanding the theoretical underpinnings of computer science.