The man of wisdom is never of two minds; the man of benevolence never worries; the man of courage is never afraid.
ConfuciusTherefore only through education does one come to be dissatisfied with his own knowledge, and only through teaching others does one come to realize the uncomfortable inadequacy of his knowledge. Being dissatisfied with his own knowledge, one then realizes that the trouble lies with himself, and realizing the uncomfortable inadequacy of his knowledger.
Confucius