Famous quotes containing the words crystal and/or rod:
“The crystal sphere of thought is as concentrical as the geological structure of the globe. As our soils and rocks lie in strata, concentric strata, so do all men’s thinkings run laterally, never vertically.”
—Ralph Waldo Emerson (1803–1882)
“The rod and reproof give wisdom: but a child left to himself bringeth his mother to shame.”
—Bible: Hebrew Proverbs 29:15.