We breathe happily, unconsciously while we are alive and we often have this act as guaranteed gracefully. We soon understand that there is indeed something that is not seen but that has an immeasurable importance. They teach us to love trees because basically it is from them that a large part of our oxygen comes from. In this last breath I thank you with a chest full of gratitude, for this magnificent human respiratory system that was created here among colleagues, where ideas emerged as the very act of breathing! Naturally!