What is most needed for learning is a humble mind.
The superior man will watch over himself when he is alone. He examines his heart that there may be nothing wrong there, and that he may have no cause of dissatisfaction with himself.
Wisdom is worried for being slow in its speech and expeditious in its actions.
To learn and from time to time to apply what one has learned - isn't that a pleasure?
What you do not want done to yourself, do not do to others.
Learning, undigested by thought, is labor lost.