软件开发中最重要的一个方面是明确你要构建什么。
The most important single aspect of software development is to be clear about what you are trying to build.
有能力给予当然比有能力接受来得更让人愉快。
If you are ready to give up everything else and study the whole history and background of the market and all the principal companies whose stocks are on the board as carefully as a medical student studies anatomy—if you can do all that and in addition you have the cool nerves of a gambler, the sixth sense of a clairvoyant and the courage of a lion, you have a ghost of a chance.
皮革鞣制的创新不仅仅关乎新化学品，而是重新思考材料的整个生命周期。