The success of a society depends on its ability to balance the demands of individual freedom with the need for social cohesion.

If you do what you've always done, you'll get what you've always gotten.

Complexity and contradiction are not problems to be solved, but opportunities to be explored.

Persistence in research often pays off when you least expect it.

文章是天地的精华，是阴阳刚柔之气的表现。