The worlds represent increasing phases of densification, the involuting descent of spirit into matter, where the way becomes harder and longer.

Spirit is never without matter, matter is never without spirit.

Our highest endeavor must be to develop free human beings who are able of themselves to impart purpose and direction to their lives. The need for imagination, a sense of truth, and a feeling of responsibility—these three forces are the very nerve of education.

Sounds are the echo of the "Harmony of the Spheres" which man took into himself when he came down from the divine-spiritual world into the physical world.

If there is something more powerful than destiny, this must be the human being who bears destiny unshaken.

We must be educated in inner human modesty, so we can recognize that we are not, even for a moment, complete as human beings. Instead, we continue to develop from birth until death. We must recognize that every day of life has a special value, that it is not without purpose that we must learn to live through our thirties right after we have just gone through our twenties. We need to learn that each new day and each new year offers continual revelation.

The student of mathematics must get rid of all arbitrary thinking and follow purely the demands of thought. In thinking in this way, the laws of the spiritual world flow into him. This regulated thinking leads to the most spiritual truths.