Quote by Mencius
"To know what you know and what you do not know, that is true knowledge."
More from Mencius
"The great man is he who does not lose his child's heart."
"When you know a thing, to hold that you know it; and when you do not know a thing, to allow that you do not know it - this is knowledge."
"Benevolence is the characteristic element of humanity."
"The superior man thinks always of virtue, the common man thinks of comfort."