For any third teacher it was better still; and grew ever the better, the more teachers there came. It only needed now that the King took notice of this new phenomenon; combined or agglomerated the various schools into one school; gave it edifices, privileges, encouragements, and named it _Universitas_, or School of all Sciences: the University of Paris, in its essential characters, was there. The model of all subsequent Universities; which down even to these days, for six centuries now, have gone on to found themselves. Such, I conceive, was the origin of Universities.英文原著 · 《Heroes and Hero Worship》
And what went on in this gigantic crucible, where all this vegetable matter had accumulated, sunk to various depths? A regular chemical operation, a sort of distillation. All the carbon contained in these vegetables had agglomerated, and little by little coal was forming under the double influence of enormous pressure and the high temperature maintained by the internal fires, at this time so close to it.英文原著 · 《The Underground City》