农业的真正进步应以收成和生态系统健康双重标准衡量。
在数学中，提出问题的艺术必须比解决问题更有价值。
The only service a friend can really render is to keep up your courage by holding up to you a mirror in which you can see a noble image of yourself.
理解他人，现实的唯一方法是自己去体验。
The future of mining lies in collaboration, not competition.
"The good life is using your signature strengths every day to produce authentic happiness and abundant gratification."
The database is the most important piece of software in the enterprise.
"I don't complain. I accept the challenge and I work."