" For a few minutes the anxiety that tormented him had vanished, leaving his mind as serene as the beauty he looked at. Very lovely, he thought, are the sudden moments of relief that come in the midst of strain, those moments of forgetfulness when we are " teased out of thought" by a bird or a flower or the sight of old roofs in the sun; lovely though so transient, the reversal of those brief moments of misery that visit us even in the midst of joy. "