Feisal Abdul Rauf

Incontestably, the great centres of population in the primeval ages were the chalklands, and next to them those of limestone. The chalk first, for it furnished man with flints, and the limestone next when he had learned to barter.

Though builders may build, in the main they follow the plans of architects. Teachers teach, but they must have a text. Politicians govern, but only upon the flow of commentary that raises them up or casts them down.