The act of writing is an act of optimism. You wouldn't take the trouble to do it if you felt it didn't matter.
写作是一种乐观的行为。如果你觉得它不重要,你就不会费心去做。
广泛地学习,专心致志,恳切地求教,多思考当前的实际问题,仁德就在其中了。
君子的学问,从来不会脱离实践去空谈认识,这是必然的。