As to the effect of the wave on the air, we will suppose the water to be quite flat and the air motionless, a heavy undulation comes on the scene, it has to pass, so it pushes the air up with its face, letting it fall again as its back glides onwards. ↗
I felt the most intense pleasure in piercing the stone in order to make an abstract form and space; quite a different sensation from that of doing it for the purpose of realism. ↗