In diving to the bottom of pleasure we bring up more gravel than pearls. – Honore de Balzac

Do not judge from mere appearances; for the lift laughter that bubbles on the lip often mantles over the depths of sadness, and the serious look may be the sober veil that covers a divine peace and joy. The bosom can ache beneath diamond brooches; and many a blithe heart dances under coarse wool. – Edwin Hubbel Chapin

If wisdom and diamonds grew on the same tree we could soon tell how much men loved wisdom. – Lemuel K. Washburn, Is The Bible Worth Reading And Other Essays, 1911

As though pure white snow flashed and sparkled with the color of bright ruddy wine, and was overcome by this radiance. – Author unknown, about opal