领导力在于因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持续。
"A personality is a full congress of orators and pressure groups, of children, demagogues, communists, isolationists, war mongers, mugwumps, grafters, prayer-makers, adventurers and clerks; with each of these in a minority of one."
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.