What a beautiful idea! If I understand this correctly, it means something like "You will never find beauty outside yourself if you don't already possess it within you."
I understand the idea, I think, but I don't know if we have a proverb in English to reflect this exact notion...
The Zen Buddhists say
The Fire God comes searching for fire...
Roller Coaster, if you want the points for this, please hurry up and do the translation!
(Maybe the figurative meaning in the Translation field, and the literal meaning in the Remarks section under it?)