The secret of change is to focus all your energy not on fighting the old, but on building the new.
改变的秘诀在于集中所有精力不是与旧事物斗争,而是建设新事物。
A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
我们需要从一种获取-制造-浪费的经济转向一种再生型经济。
死亡的念头会把我们推向对我们而言最重要的事情,这种念头会赋予我们勇气,促使我们追求内心所重视的生活方式。《机场里的小旅行》