We must use the material things, yes, and not abandon them; but we must do so without attachment. We may love the good things of life like other men, but we ought not to be in bondage to this love. We should be ready to abandon them at a moment's notice, if need be. It is not things that bind us, not marriage, wealth, or home, but our craving for marriage, wealth, or home. And what is such craving in the end but a line of thinking, a series of mental images?
-- Notebooks Category 24: The Peace within You > Chapter 3: Practise Detachment > # 164