习性不仅是一种结构化的结构,它组织实践和对实践的感知,同时也是一种被结构的结构。
【原文】楚狂接舆歌而过孔子,曰:“凤兮!凤兮!何德之衰?往者不可谏,来者犹可追。己而!已而!今之从政者殆而!”孔子下,欲与之言。趋而避之,不得与之言。【译文】过去的的事已经不可挽回了,将来的事还来得及改正。
You can't manage what you don't measure.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.