The mind is a dynamic system that constantly adapts to its environment.

儿童应该得到成人的爱，而不是成人忙于生活所残余的爱。

You must change nothing in your writing without absolute necessity. If it is necessary， then change with simplicity.

贫穷的循环始于对希望的放弃。

The reason that the invisible hand often seems invisible is that it is often not there.

The problem with marriage is that it ends every night after making love, and it must be rebuilt every morning before breakfast.

永远不要停止学习，一旦停止，你就会开始落后。

在数学中，旅程和目的地同样重要。