Every piece of plastic we produce should have a plan for its entire lifecycle.
自由意味着责任,正因为如此,多数人都惧怕自由。
All complex behavior can be reduced to simpler stimulus-response units.
世界上最昂贵的东西是信任。赢得信任可能需要数年,而失去它可能只需要几秒钟。
无知永远不比知识更好。