孔子说:“将知识默记在心,学习时,不感到满足;教人时,不感到疲倦,对我来说没什么问题。”
Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.
在像水泥这样传统的行业中,颠覆是进步的唯一途径。