Mathematics is not a spectator sport. You have to get involved.

Technology should serve agriculture, not the other way around - we must never forget our roots.

让你的钱翻倍的最安全方法是把它对折一次然后放进口袋。

有时最艰难的战斗是我们内心的战斗。

译文：不怕自身会产生恶念，只怕发觉自身的恶念太迟。