"When it came to real-world complexities, the elegant equations and the fancy mathematics he’d spent so much time on in school were no more than tools – and limited tools at that" -- The Emerging Science at the Edge of Order and Chaos (by M. Mitchell Waldrop)
"I knew that if I failed I wouldn't regret that, but I knew the one thing I might regret is not ever having tried" -- Jeff Bezos' version of "regret minimization"
"一把青秧插野田, 低头便见水中天, 六根清净方为道, 退步原来是向前"