“If the lion was advised by the fox, he would be cunning”

“The hours of folly are measured by the clock, but of wisdom no clock can measure.”

“The tigers of wrath are wiser than the horses of instruction”

“If the fool would persist in his folly he would become wise”

“Not to unlearn what you have learned is the most necessary kind of learning.”

“The investigation of the meaning of words is the beginning of education”