The capacity of the human mind for formulating and solving complex problems is very small compared with the size of the problems whose solution is required for objectively rational behavior in the real world.

"The only thing that is infinite is the universe and human stupidity."

所谓顿悟，说明真理是不可分割的

The only limit to our realization of tomorrow is our doubts of today.

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