Not what we have, but what we enjoy, constitutes our abundance.
The laws of physics as we know them may be just a small part of a much larger set of laws.
最成功的水产养殖是与自然合作,而不是对抗自然。
困难不在于提出新观念,而在于摆脱旧观念。
"Freedom is not worth having if it does not include the freedom to make mistakes."