We are quite ignorant of the condition of energy in bodies generally. We know how much gas goes in, and how much comes out, and know whether at entrance and exit it is in the form of heat or of work. That is all.

[Examiners] spend their lives in discovering which pages of a text-book a man ought to read and which will not be likely to 'pay'.

Your printers have made but one blunder,Correct it instanter, and then for the thunder!We'll see in a jiffy if this Mr S[pencer]Has the ghost of a claim to be thought a good fencer.To my vision his merits have still seemed to dwindle,Since I have found him allied with the great Dr T[yndall]While I have, for my part, grown cockier and cockier,Since I found an ally in yourself, Mr L[ockyer]And am always, in consequence, thoroughly willin',To perform in the pages of Nature's M[acmillan].

The next grand extensions of mathematical physics will, in all likelihood, be furnished by quaternions.

We are quite ignorant of the condition of energy in bodies generally. We know how much gas goes in, and how much comes out, and know whether at entrance and exit it is in the form of heat or of work. That is all.