The art of teaching consists in large part of the ability to awaken the natural curiosity of young minds and to satisfy it with the nourishment of knowledge.

Quality should never be compromised for speed.

【释义】谗言和巧言佞辞总是甜美讨好人心，而忠诚正直的言辞却常常显得直率尖锐，因而少有人愿意听信。