In practice: reading good books.

Spiritual writer Thomas Moore says, "We are what we read."

"The images that form the raw material of our imagination are the most precious substance we have because from them we develop an attitude toward events and eventually a way of life. Education of the soul is largely a matter of creating a treasury of images and skills for dealing with them.... A great deal depends on whether the books we read and the movies we see hone the imagination or make it blunt....

"The way out of the dehumanizing effects of modern capitalism and industrialism is not to change the system but to read good books." (Original Self, HarperCollins)