Serenity Prayer Engraved Inspirational Stones (3 Stones) 3 inspirational and encouragement engraved faith stones. Made to last a lifetime River stones made with engraving and not glued printed words or etched God grant me the serenity to accept the things I cannot change, courage to change the things I can and wisdom to know the difference About 2 - 3 inches in diameter real gift of inspiration to any one at any time