It has been made to function intelligently by the lord at the beginning of the kalpa. The lord is the support of all luminaries and he identifies himself with them. This is a wonderful phenomenon that is caused by the unique Pradhāna and is incomprehensible. The movement of the luminaries cannot be understood by the man with his physical eye. It can be understood by the learned man only through Vedic treatises, by inference and direct perception, by cogent arrangements and careful analysis in his mind.