History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation.
领导力在于因为你的存在而使他人变得更好,并确保这种影响在你离开后依然存在。
生活是一段旅程,无论道路和住宿多么糟糕,都必须前行。
You are never too old to set another goal or to dream a new dream.
The most important skill in mathematics is the ability to ask the right questions.