You can't use up creativity. The more you use, the more you have.
Science is not just about discovery; it's about making a difference in people's lives.
Experimentation is the key to discovering new possibilities.
财产权确实是人类的一项权利,与自由一样真实。
可持续林业不是一种选择;它是一种义务。
仪器扩展了我们的感官,但它们不能取代我们的判断。