只有利他的生活才是值得过的生活。
传统养殖方法与现代技术的结合是成功的关键。
面对绝望时,唯一可以负责任地实践的哲学是试图从救赎的角度来思考一切事物。
"The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."