The greatest scientists are the ones who never stop learning.
在分布式系统中，关键挑战是在不可靠的组件之间达成共识。
Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.
Mathematics is a conversation between the past and the future.
Keep your face always toward the sunshine, and shadows will fall behind you.