世界充满了美与丑，而我们选择看哪一种。
数学不是沿着一条清理得很好的高速公路小心行进，而是进入一个陌生的荒野的旅程，探险者常常会迷路。
许多人害怕改变，但是如果把它视作天经地义的事，也就释然了。
The one thing that you have that nobody else has is you. Your voice, your mind, your story, your vision. So write and draw and build and play and dance and live as only you can.
过去从未死去。它甚至不是过去。
计算的未来在于理解和利用算法的力量。
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
