子曰：“学而时习之，不亦悦乎？有朋自远方来，不亦乐乎？人不知，而不愠，不亦君子乎？”
孔子说：“经常学习，不也喜悦吗？远方来了朋友，不也快乐吗？得不到理解而不怨恨，不也是君子吗？”
创新不仅仅是创造新事物，而是要对世界产生有意义的影响。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
Efficiency comes from meticulous management and continuous improvement.
算法是计算机科学的诗歌，逻辑与创造力在此相遇。