Heat is a very brisk agitation of the insensible parts of the object, which produces in us that sensation, from whence we denominate the object hot; so what in our sensation is heat, in the object is nothing but motion.


The Works of John Locke In Nine Volumes (Volume 2), Elements of Natural Philosophy, Chapter XI


Heat is a very brisk agitation of the insensible parts of the object, which produces in us that sensation, from whence we denominate the object hot;...

Heat is a very brisk agitation of the insensible parts of the object, which produces in us that sensation, from whence we denominate the object hot;...

Heat is a very brisk agitation of the insensible parts of the object, which produces in us that sensation, from whence we denominate the object hot;...

Heat is a very brisk agitation of the insensible parts of the object, which produces in us that sensation, from whence we denominate the object hot;...