Dhammapada 24.350
If a man delights in quieting doubts, and, always reflecting, dwells on what is not delightful (the impurity of the body, &c.), he certainly will remove, nay, he will cut the fetter of Mara.
If a man delights in quieting doubts, and, always reflecting, dwells on what is not delightful (the impurity of the body, &c.), he certainly will remove, nay, he will cut the fetter of Mara.