He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.

The benefits of knowledge can only be realized in practice.

In a hamlet of ten households, there are bound to be those who are my equal in doing their best for others and in being trustworthy in what they say, but they are unlikely to be as eager to learn as I am.

The archer who misses his mark does not blame the target. He stops, corrects himself and shoots again.

To be fond of learning is to be near to knowledge. To practice with vigor is to be near to magnanimity. To possess the feeling of shame is to be near to energy.

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.