People are like stained-glass windows. They sparkle and shine when the sun is out, but when the darkness sets in, their true beauty is revealed only if there is a light from within.
Elisabeth Kübler-Ross (1926-2004) Swiss-American psychiatrist, author
(Attributed)
(Source)
Attributed to her by the Elisabeth Kübler-Ross Foundation.
The quotation is often cited to Jim Clemmer, The Leader's Digest (2003), but Clemmer simply attributes it to Kübler-Ross. I have been unable to find an primary source.