§ 浮生日記      Keep it simple and stupid。「」

○ 念一部經   走一段路   打一趟拳

§ 知識  Stay hungry，stay foolish。求知若飢 虛心若愚。Steve Jobs

http://dasouji.com/archives/127652   夕陽

把Gaussian curvature的公式證明做了一遍

http://dasouji.com/archives/127783   

§ 諸惡莫作,眾善奉行,自淨其意,是諸佛教。Create no evil,cultivate all good,and purify the mind。These are the teachings of the Buddha。

備忘