If one learns from others, but does not think, one will be bewildered. If, on the other hand, one thinks but does not learn from others, one will be in peril.
I saw some piglets suckling their dead mother. After a short while they shuddered and went away. They had sensed that she could no longer see them and that she wasn't like them any more. What they loved in their mother wasn't her body, but whatever it was that made her body live.
It is the way of the superior man to prefer the concealment of his virtue, while it daily becomes more illustrious, and it is the way of the mean man to seek notoriety, while he daily goes more and more to ruin.