“An artist is an artist only because of his exquisite sense of beauty, a sense which shows him intoxicating pleasures, but which at the same time implies and contains an equally exquisite sense of all deformities and all disproportion.”
“For both reasons, owing to the thermal motion and to the working together of various wavelengths, factors arise which, in a similar manner to the structural factor, exert some influence upon the brightness of the interference points but not upon their location.”