We need — and should encourage and honour — not only discoverers of facts hitherto unknown but explorers of ideas and rethinkers of values. – Walter Moberly, The Crisis in the University

Keep your minds open, but not so open that your brains fall out. – Walter Kotschnig, c.1940

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. – G.B. Shaw, Man and Superman, 1903

If they give you ruled paper, write the other way. – Juan Ramon Jimenez