Each sphere, in fact, has its particular natural motion, to which the general movement is, as it were, added.

The natural motions of the soul are so much better than the voluntary ones, that you will never do yourself justice in dispute.

Nothing moved, except by the natural motion of the wind.

Backward running is a less natural motion, but can be accomplished with some speed with practice.

Although the two beams are at the same frequency, they address different atoms due to natural thermal motion.

None of it appeared to have been moved except by the natural motion of the train.

I've got about ninety per cent of natural motion.

The lift's natural motion brought it to a halt just above the floor of the shaft.

Then he turned away, slowly, not so far as to be obvious, just a natural motion easily explained by the movement of the metro car.

The heel provides shock absorption and allows a more natural walking motion.