"He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart.
"Now here's my secret", said the fox, "it is very simple. It is only with ones heart that one can see clearly. What is essential is invisible to the eye."
("The Little Prince" by Antoine de Saint-Exupery)
"The soul would have no rainbow, if the eye had no tears." (Native American Proverb)