The only thing more painful than being an active forgetter is to be an inert rememberer.
君子有三种事应该加以警戒：年轻的时候，血气还没有固定，力戒贪恋女色；到了壮年时期，血气正旺盛，力戒逞强好斗；到了老年时期，血气已经衰弱，力戒贪得无厌。
Design is not just what it looks like and feels like. Design is how it works.
Technology itself has no value, it only has value when applied to real life.