A true joy did his inner self possess; when in the sky, the dense clouds roared, and nowhere else.

This beautiful couplet speaks of a profound happiness that truly awakens deep within one's heart. It describes the unique joy experienced specifically when the sky roars with the mighty sound of thunder, signaling the arrival of dense, heavy clouds. It suggests that this particular moment, the grand spectacle of nature's thunder, brings a special kind of contentment, a feeling so complete that it implies such joy can truly be found in this specific experience, unlike anywhere else.