愉快是健康的最佳促进者，对心灵和身体同样友好。
Cheerfulness is the best promoter of health and is as friendly to the mind as to the body.
The modern world has made us free, but it has also made us miserable.
"The most important single aspect of software development is to be clear about what you are trying to build."
敲响钟声表明投资者何时应该进入或退出市场的想法根本不可信。在这个行业工作了近50年之后，我不知道有谁能成功和始终如一地做到这一点。我什至不认识任何成功和始终如一地做到这一点的人。
推动的关键是使期望的行为更加突出、更容易和更有吸引力。
教育体系是以感官基础，以思考为过程，以自由为目的。