The eye by long use comes to see even in the darkest cavern: and there is no subject so obscure but we may discern some glimpse of truth by long poring on it.
George BerkeleyThe method of Fluxions is the general key by help whereof the modern mathematicians unlock the secrets of Geometry, and consequently of Nature.
George BerkeleyThe world is like a board with holes in it, and the square men have got into the round holes, and the round into the square.
George Berkeley