90. Since man is both a heaven and a world in least form after the image of the greatest (see above n. 57), there is, therefore, with him both a spiritual and a natural world. Interior things which belong to his mind and relate to the understanding and the will, make his spiritual world, while exterior things which belong to his body and relate to its senses and actions make his natural world. Consequently, whatever in his natural world, that is, in his body and its senses and actions, comes into existence from his spiritual world, that is, from his mind and its understanding and will, is said to be a correspondence thereof.