The river flows at its own sweet will, but the flood is bound in the two banks. If it were not thus bound, its freedom would be wasted.
We have seen from experience that, if we are in the habit of walking regularly on the same road, we are able to think about other things while walking, without paying attention to our steps.
If a man achieves victory over this body, who in the world can exercise power over him? He who rules himself rules over the whole world.
The natural movement of one's soul is upwards. But just as any object is dragged down when a heavy weight is tied to it, the burden of the body drags down the soul.
John E. Walker