In the life of our organism, we are continually dealing with a development of force followed by a state of equilibrium. Of course, the human being has no conscious knowledge of what is really going on within him, but what takes place is so infinitely wise that the cleverness of the human ego is nothing by comparison.
If spiritual science is to do the same for spirit that natural science has done for nature, it must investigate quite differently from the latter. It must find ways and means of penetrating into the sphere of the spiritual, a domain which cannot be perceived with outer physical senses nor apprehended with the intellect which is bound to the brain.
Architecture produces a musical mood in our inner being, and we notice that even though the elements of architecture and music appear to be so alien in the outer world, through this musical mood engendered in us, our experience of architecture brings about a reconciliation, a balance between these two elements.
In order to find our bearings in the spiritual worlds and see truly what is there for us to see, we need a further inner trait in our character, a quality I should like to term 'presence of mind.' In ordinary life, this is the trait we need when faced with a situation that requires us to make an immediate decision without hesitation.
By giving material expression to force-forms in space, the Greeks gave divine spiritual beings the opportunity of using these material forms. It is no figure of speech but a fact when we say that gods came down at that time into the Greek temples in order to be among human beings on the physical plane.