Friendship is the shadow of the evening, which increases with the setting sun of life.
Jean de La FontaineImagination is the real and eternal world of which this vegetable universe is but a faint shadow.
William BlakeNothing in the universe can travel at the speed of light, they say, forgetful of the shadow's speed.
Howard NemerovIn this world, full often, our joys are only the tender shadows which our sorrows cast.
Henry Ward BeecherWhat are Raphael's Madonnas but the shadow of a mother's love, fixed in permanent outline forever?
Thomas Wentworth Higginson