It is a terrible thing for a man to find out suddenly that all his life he has been speaking nothing but the truth.

"The best films are the ones that stay with you long after you've left the theater."

Development economics is ultimately about improving people's lives.

Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.

Technology itself has no value; it only becomes meaningful when it solves real problems.

儿童文学有塑造思想和改变生活的力量。