The adept in Zen is one who manages to be human with the same artless grace and absence of inner conflict with which a tree is a tree. Such a man is likened to a ball in a mountain stream, which is to say that he cannot be blocked, stopped, or embarrassed in any situation.
Had the metabolism lecture in PT school - breaking down fats for energy leads to ketoacidosis. I had to practice my meditative skills and sit on my hands to keep quiet.
But the kind of seriousness which drags man down to the earth and kills the life of the spirit is not the child of sorrow but of a sort of playacting in which the player is deceived into identifying himself with his part.
It was all table manners, not derived from any sense of kindness or decency or humanity, but originally from an egotistic desire to look like gentlemen and ladies.
If you happen to be sitting, just sit. If you are smoking a pipe, just smoke it. If you are thinking out a problem, just think. But don’t think and reflect unnecessarily, compulsively, from sheer force of nervous habit. In Zen, they call this having a leaky mind.
The religion of Jesus was that he knew he was a son of God, and the phrase “son of” means “of the nature of.“ So that a son of God is an individual who realizes that he is, and always has been, one with God. “I and the Father are one.“