Creative work is play. It is free speculation using materials of one's chosen form.
The materials of wealth are in the earth, in the seas, and in their natural and unaided productions.
No use to shout at them to pay attention. If the situations, the materials, the problems before the child do not interest him, his attention will slip off to what does interest him, and no amount of exhortation of threats will bring it back.
War is a way of shattering to pieces, or pouring into the stratosphere, or sinking in the depths of the sea, materials which might otherwise be used to make the masses too comfortable, and hence, in the long run, too intelligent.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.