The science of the future will be based on sympathetic vibrations.

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.

Geometry is knowledge that appears to be produced by human beings, yet whose meaning is totally independent of them.

We find the instrument for the Knowledge of God in ourselves But we find God everywhere.

To be free is to be capable of thinking one's own thoughts - not the thoughts merely of the body, or of society, but thoughts generated by one's deepest, most original, most essential and spiritual self, one's individuality.

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

Everyday something must be achieved inwardly.