如果我们能意识到武力永远无法赢得合作与爱,这个世界就可以避免无数的紧张关系,不用做那么多的无用功。
Progress requires both courage and humility.
The future belongs to those who dare to dream and have the courage to pursue those dreams.
The art of writing is the art of discovering what you believe.
激发生命,让生命自由发展,这是教育者的首要任务。
A mathematician is a device for turning coffee into theorems.