God uses broken things. It takes broken soil to produce a crop, broken clouds to give rain, broken grain to give bread, broken bread to give strength. It is the broken alabaster box that gives forth perfume. It is Peter, weeping bitterly, who returns to greater power than ever.
A thought is harmless unless we believe it. It’s not our thoughts, but our attachment to our thoughts, that causes suffering. Attaching to a thought means believing that it’s true, without inquiring. A belief is a thought that we’ve been attaching to, often for years.