"To know that we know what we know, and that we do not know what we do not know, that is true knowledge."

“By extensively studying all learning, and keeping himself under the restraint of the rules of propriety, one may thus likewise not err from what is right.”

“If the people have no faith in their rulers, there is no standing for the state.”

“Let the superior man never fail reverentially to order his own conduct, and let him be respectful to others and observant of propriety:—then all within the four seas, all men are brothers. What has the superior man to do with being distressed because he has no brothers?”

“The superior man has neither anxiety nor fear. When internal examination discovers nothing wrong, what is there to be anxious about, what is there to fear?”

“The man of perfect virtue is cautious and slow in his speech. When a man feels the difficulty of doing, can he be other than cautious and slow in speaking?”

“Cornered vessel without corners, strange cornered vessel, strange cornered vessel.”