The aim, if reached or not, makes great the life.

数学教会我们同时进行逻辑和创造性的思考。

"Every book has a soul. The soul of the person who wrote it and of those who read it and dream about it."

The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves.

观察者越敏锐，从任何给定对象中看到的东西就越多。

"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."

我们很早就认识到，聪明人会做非常愚蠢的事情，我们想知道为什么，是谁，这样我们就能避免这些事情。

做出伟大工作的唯一方法是热爱你所做的事。

经济发展的艺术不在于看现在，而在于预见未来。