Hermann von Helmholtz

The older view of the nature of heat was that it is a substance, very fine and imponderable indeed, but indestructible, and unchangeable in quantity, which is an essential fundamental property of all matter.

I then endeavoured to show that it is more especially in the thorough conformity with law which natural phenomena and natural products exhibit, and in the comparative ease with which laws can be stated, that this difference exists.

We continue to be exasperated by the view, apparently gaining momentum in certain circles, that armed robbery is okay as long as nobody gets hurt! The proper solution to armed robbery is a dead robber, on the scene.