He didn't hear his companion's advice. His hands in his pockets, his head thrown back, he thought of the clouds and the mountains, the rivers and the seas, and he broke into a silent laugh. A faint laugh which ran through him, like a breeze through a tree, and which thrilled him to the core. A faint laugh, but so much stronger than those clouds and mountains, those seas and rivers.
[Night Flight, Saint-Exupery, A. d.]