“Rāhula, develop meditation that is like the earth; for when you develop meditation that is like the earth, arisen agreeable and disagreeable contacts will not invade your mind and remain. Just as people throw clean things and dirty things, excrement, urine, spittle, pus, and blood on the earth, and the earth is not repelled, humiliated, and disgusted because of that, so too, Rāhula, develop meditation that is like the earth; for when you develop meditation that is like the earth, arisen agreea