伐木不自其本，必复生；塞水不自其源，必复流；灭祸不自其基，必复乱。
解释：砍伐树木不把树根砍掉，必能重新生长；堵塞水不把源头堵住，必会重新流出；消除祸患不铲除产生祸患的根基，祸患还会再生。
The challenge of our time is to harness energy without harming the planet.
Memory is a form of creativity.
我相信梦想和努力的力量。
The study of economics is ultimately the study of human behavior and its consequences.
Children’s books should be full of warmth, not just lessons.