Quotes and aphorisms about sphere Arthur Schopenhauer Maimonides Nikola Tesla Rudolf Steiner ,, If spiritual science is to do the same for spirit that natural science has done for nature, it must... A. E. Waite B. H. Liddell Hart Carl Maria von Weber Edgar Ramirez ,, If my subject is alive and is willing to talk to me, I will do it. But I always try to find people ... Gad Saad Hans Frank