Pleasures, then, and the avoidance of pains, are the ends that the legislator has in view.
避免痛苦的唯一方法就是不要有足够的闲暇去思考自己是否幸福。
If you're not willing to fail, you're not ready to succeed.
模型的好坏取决于其假设。
Every piece of fruit tells a story - of sunshine, rain and care from human hands.
It is one thing to show a man that he is in an error, and another to put him in possession of truth.
向一个人展示他在错误中是一回事,让他掌握真理是另一回事。
当天赋不努力时,勤奋会战胜天赋。