Human beings have, as you know, infinite faith in their own power of insight. There was actually a philosopher who said: “Give me matter, and I will make a universe.” That philosopher was Kant. It is a good thing he was not given matter, for he would have made something perfectly horrible out of it!
Source: Rudolf Steiner – GA 231 – Supersensible Man: Lecture III – The Hague, 17th November 1923 (afternoon)
Translated by Mary Adams
The great Rudolf Steiner Quotes Site 