道德是头脑的弱点。
La morale est la faiblesse de la cervelle.
每一次实验,无论成功与否,都是迈向理解的一步。
The most important property of a program is whether it accomplishes the intention of its user.
The life of the law has not been logic; it has been experience.
The key to successful investing is to have a clear understanding of the market.