对我们星球最大的威胁是相信别人会拯救它。
The greatest threat to our planet is the belief that someone else will save it.
出自《论语·雍也》，指不把怒气转移到别人身上，不重复犯同样的错误。
事实就是真实的思维。
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.