"I hear and I forget. I see and I remember. I do and I understand."

"Real knowledge is to know the extent of one's ignorance."

"By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest."

"It does not matter how slowly you go as long as you do not stop."

Confucius