Where does rain come from? It comes from all the dirty water that evaporates from the earth, like urine and the water you throw out after washing your feet. Isn't it wonderful how the sky can take that dirty water and change it into pure, clean water? Your mind can do the same with your defilements if you let it.
George Harrison: The day after the Blue Angel audition, John showed up to rehearsal with a long list of name suggestions, and I remember each and every one of them: the Deads-men, the Deadmen, the Undeads-men, the Undeadmen, the Rots, the Rotters, the Dirts, the Dirty Ones, the Grayboys, the Eaten Brains, the Eating Brains, the Mersey Beaters, the Mersey Beaten, the Bloodless, the Graves, the Headstones, and the Liverpools of Blood. Paul ripped off John's right arm and used it to slap John across the face, then he said, "Those're horrible, mate, just horrible, y'know.
But it is at home and not in public that one should wash ones dirty linen.
[Fr., Car c'est en famille, ce n'est pas en public, qu'un lave son linge sale.]