Quote by Mencius
"The key to happiness is duty fulfilled."
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."