"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."

在代数中，两个量的相等性通过方程来表达。

The human mind is designed to seek out and find evidence that confirms what it already believes.

Generally speaking， the errors in religion are dangerous； those in philosophy only ridiculous.

In business, if you're not moving forward, you're falling behind.

"Humor is a way of dealing with the world, a way of coping with the world, and a way of understanding the world."