What nature delivers to us is never stale. Because what nature creates has eternity in it.
Isaac Bashevis SingerOne cannot violate the promptings of one's nature without having that nature recoil upon itself.
Jack LondonWhat we observe is not nature itself, but nature exposed to our method of questioning.
Werner HeisenbergMen are by nature merely indifferent to one another; but women are by nature enemies.
Arthur Schopenhauer