Every man is his own greatest enemy, and as it were his own murderer.
子夏说:“广泛学习并且不停地朝着目标前进,认真地提出问题并且联系实际去思考,仁就在其中了。”
忧虑是人们生存的重要条件。与忧虑的正面交锋可以为我们驱赶厌倦感,使我们的感觉更加敏锐,并且保持人类生存所必须的压力。