“Goodbye,” said the fox. “And now here is my secret, a very simple secret:
It is only with the heart that one can see rightly; what is essential is invisible to the eye.”

The Little Prince pdf by Antoine de Saint-Exupery (a classic piece - timeless)

"To the real Jonathan Seagull,
who lives within us all.
Jonathan Livingston Seagull - Richard Bach (English - Greek translation)