The ear tends to be lazy, craves the familiar, and is shocked by the unexpected; the eye, on the other hand, tends to be impatient, craves the novel and is bored by repetition. – W. H. Auden
The touch of reality is salvation for the man who smothers amid forms and shadows. A blind man would rejoice in sight though his eyes opened on the carnage of a battlefield. – Oscar W. Firkins
Nature does not count nor do integers occur in nature. Man made them all, integers and all the rest, Kronecker to the contrary notwithstanding. – Percy William Bridgman, The Way Things Are