"The one exclusive sign of thorough knowledge..." - Quote by Aristotle
The one exclusive sign of thorough knowledge is the power of teaching.
More by Aristotle
“Where some people are very wealthy and others have nothing, the result will be either extreme democracy or absolute oligarchy, or despotism will come from either of those excesses.”
“And this lies in the nature of things: What people are potentially is revealed in actuality by what they produce.”
“Now it is evident that the form of government is best in which every man, whoever he is, can act best and live happily.”
More on Knowledge
More on Teaching
“It is a well known fact that a man learns best that which he endeavors to teach others.”
“My father was an angry and impatient teacher and flung the reading book at my head.”
“Most teachers waste their time by asking question which are intended to discover what a pupil does not know whereas the true art of questioning has for its purpose to discover what pupils knows or is capable of knowing.”