Vassilj Kandinskj

"Generally speaking, colour is a power which directly influences the soul. Colour is the keyboard, the eyes are the hammer, the soul is the strings. The artist is the hand that plays, touching one key or another, to cause vibrations in the soul". 

 

Vassilj Kandinskj, On the spiritual in art, New York, Solomon R. Guggenheim Foundation, 1946.