Learning Zen is a phenomenon of gold and dung. Before you understand it, it's like gold; after you understand it, it's like dung.
Knock on the sky and listen to the sound
In studying the way, realizing it is hard; once you have realized it, preserving it is hard. When you can preserve it, putting it into practice is hard.
If you understand, things are just as they are; if you do not understand, things are just as they are.
The best leaders of all, the people know not they exist. They turn to each other and say We did it ourselves.
Do not seek the truth, only cease to cherish your opinions.
The Great Way is not difficult for those who have no preferences.