And men go about to wonder at the heights of the mountains, and the mighty waves of the sea, and the wide sweep of rivers, and the circuit of the ocean, and the revolution of the stars, but themselves they consider not.
PetrarchI looked back at the summit of the mountain, which seemed but a cubit high in comparison with the height of human contemplation, were in not too often merged in the corruptions of the earth.
Petrarch