The man who does not work for the love of work but only for money is not likely to make money nor to find much fun in life.

We have a responsibility, every one of us. We may think we live a long way from the oceans, but we don't. What we actually do here, has a direct effect on the oceans—and what the oceans do then reflects back on us.

True progress in agriculture measures success by both harvests and ecosystem health.

量子力学的本质在于它不描述单个粒子的行为，而是描述它们行为的概率。