All things are worth while when we seek after them; then only do we appreciate their value; then only are we happy to have them. We do not need the things we do not know and do not desire. We need them when we know them and desire them. The law of nature is that this "external life develops gradually, stage by stage, through rocks, through vegetables, through animals, through man. Its depth is intelligence, which is named "Ilm by the mystic. The joy of the whole life is the fullness of intelligence, and intelligence comes to its fullness in the human kingdom. It is there that life and the primitive intelligence have their eyes opened to see and understand and think. "God slept in the mineral kingdom, dreamed in the vegetable, woke in the animal, and became self-conscious in the human." But in the human stage we find that not everyone has the same capability of thinking and understanding and knowing. It is his thinking quality that distinguishes man, that is why the real man is the thinker, he who is capable of thinking. The more thoughtful, the more awakened the mind, the more can be found in man the fullness of that attribute for which the whole world was created.