Concerning the Nature of Pain, Suffering, Joy, and Bliss

During his earthly life, we continually learn through everything which surrounds us, but the different bodies which we have , were built up in accordance with the forces of our preceding incarnations, we built up these bodies through these forces. But what we learn to know during our life is not yet contained in our body. In the course of life we change; our feelings change, our ideas grow, there is a great amount of suppressed activity in us. But we cannot change our body, it must remain as it is, built up in accordance with the experiences of preceding incarnations.