引自孟德斯鸠，刘凯湘在《民法总论》中引用并阐释其意义
If I fail, I try again, and again, and again. If YOU fail, are you going to try again? The human spirit can handle much worse than we realize. It matters HOW you are going to FINISH. Are you going to finish strong?
心理学是精神生活的科学。
C语言古怪、有缺陷，但却取得了巨大的成功。