To know how to suggest is the great art of teaching. To attain it we must be able to guess what will interest we must learn to read the childish soul as we might a piece of music. Then, by simply changing the key, we keep up the attraction and vary the song. – Henri Frederic Amiel

It is frequently the tragedy of the great artist, as it is of the great scientist, that he frightens the ordinary man. – Loren Eiseley, The Night Country, 1971

Art is the right hand of Nature. The latter has only given us being, the former has made us men. – Friedrich Schiller (1759–1805), Fiesco, translated from German