只有通过苦难才能理解生命的深度。
"Only through suffering does one understand the depth of life."
恩泽中可能潜藏祸患，所以得意时要能尽早回头；失败后反而能够成功，因此失意时千万不要气馁。
"The only thing to do with good advice is to pass it on. It is never of any use to oneself."
所有人类行为都有以下七个原因中的一个或多个：机会、自然、强迫、习惯、理性、激情和欲望。
——1998年3月4日接受外界采访
Our goal is to make farming more efficient while reducing environmental impact.
States are rational actors that seek to maximize their power and security in an anarchic international system.
The more you take responsibility for your past and present, the more you're able to create the future you seek.