We cannot be held to what is beyond our strength and means; for at times the accomplishment and execution may not be in our power, and indeed there is nothing really in our own power except the will: on this are necessarily based and founded all the principles that regulate the duty of man.
Michel de MontaigneThe body enjoys a great share in our being, and has an eminent place in it. Its structure and composition, therefore, are worthy of proper consideration.
Michel de Montaigne