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.
PetrarchHitherto your eyes have been darkened and you have looked too much, yes, far too much, upon the things of earth. If these so much delight you what shall be your rapture when you lift your gaze to things eternal!
PetrarchContinued work and application form my soul's nourishment. So soon as I commenced to rest and relax I should cease to live.
Petrarch