The quote "If someone wants a sheep, this is proof that there is one" illustrates the idea that desire or need indicates the existence of possibilities. In "The Little Prince," Antoine de Saint-Exupéry uses this statement to convey deeper truths about imagination and perception. If one longs for something, it suggests that such a thing can be real or achievable in their world.

This perspective emphasizes that our wants and dreams can reflect deeper truths and potentials. By recognizing our desires, we open ourselves to possibilities that may not be immediately visible, suggesting that even in our yearning, there is evidence of what could be. The notion encourages a sense of wonder and hope, urging us to believe in the unseen.