领导力就是让他人因为你的存在而变得更好,并确保这种影响在你离开后依然持续。
创新是可持续农业的关键。
我必须研究政治和战争,以便我的儿子们可以自由地研究数学和哲学。
Innovation requires both courage and patience.
"The past is a country we can never return to, but whose borders we are always crossing."
Even in abstraction, mathematics has profound real-world applications.
你不能害怕失败,这是你成功的唯一途径。