We have seen that blood united to blood in the case of but remotely connected species of animals, kills; blood united to blood in the case of more closely allied species of animals does not kill. The physical organism of man survives when strange blood comes in contact with strange blood, ... but clairvoyant power perishes under the influence of this mixing of blood, or exogamy.

Intuition is for thinking what observation is for perception. Intuition and observation are the sources of our knowledge.

If humanity is to live in the future in a socially right way, humanity must educate its children in a socially right way.

Seek the truly practical life, but seek it in such a way that it does not blind you to the spirit working in it. Seek the spirit, but seek it not out of spiritual greed, but so that you may apply it in the genuinely practical life.

When human beings meet together seeking the spirit with unity of purpose then they will also find their way to each other.

Knowledge of life in the astral world leads us to a conclusion of fundamental importance, namely that the physical world is the product of the astral world.

It is important that we discover an educational method where people learn to learn and go on learning their whole lives