"If we think, 'I can't do this', we need self-discipline to sit still. Saying, 'I can't do this', is the same as saying, 'I have a limitation and I will not succeed.' But if we have no notion of limitation or success, we don't need self-discipline. Then practice and life are very natural. If our legs hurt and our minds are distracted by the pain, our minds have some idea of limitation. But if our minds are not distracted by our painful or sleeping legs, we are practicing without limitation."