A room is not a room without natural light.
没有自然光的房间不是真正的房间。
Wherever you go, you take yourself with you.
真相往往隐藏在最意想不到的地方。
Mathematical intuition often guides the development of algorithms, but it is the rigorous proof that ensures their correctness and efficiency.
Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.
如果我们可以找到宇宙为什么存在的答案,那将会是人类最终极的胜利——因为那时我们就理解了上帝的思想。