The true and lasting genius of humour does not drag you thus to boxes labelled 'pathos,' 'humour,' and show you all the mechanism of the inimitable puppets that are going to perform. How I used to laugh at Simon Tapperwit, and the Wellers, and a host more! But I can't do it now somehow; and time, it seems to me, is the true test of humour. It must be antiseptic.
In the laboratory there are no fustian ranks, no brummagem aristocracies; the domain of Science is a republic, and all its citizens are brothers and equals, its princes of Monaco and its stonemasons of Cromarty meeting, barren of man-made gauds and meretricious decorations, upon the one majestic level!