最具挑战性的设计往往会带来最有价值的成果。

我不是商人，我就是生意本身。

The best way to find yourself is to lose yourself in the service of others.

Never stop learning; the moment you do, you become obsolete.

Art is not a mirror to reflect reality, but a hammer with which to shape it.

I don't think you should ever regret anything. Everything happens for a reason.

解释：所谓把粮食积存在取之不尽的粮仓里，就是要努力从事粮食生产。