The problems of language here are really serious. We wish to speak in some way about the structure of the atoms. But we cannot speak about atoms in ordinary language. ↗
What appeared to the earlier physicists to be the constant quantity of heat is nothing more than the whole motive power of the motion of heat, which remains constant so long as it is not transformed into other forms of work, or results afresh from them. ↗
It has always appeared to me, that there is so much to be done in this world, that all self-inflicted suffering which cannot be turned to good account for others, is a loss - a loss, if you may so express it, to the spiritual world. ↗