Walter M. Miller Jr. said this quote

And how will this come to pass?' He paused and lowered his voice. ' In the same way all change comes to pass, I fear, And I am sorry it is so. It will come to pass by violence and upheaval, by flame and by fury, for no change comes calmly over the world.

~ Walter M. Miller Jr.

He prayed for the recovery of that inward privacy which the purpose of his vigil demanded that he seek: a clean parchment of the spirit whereon the words of a summons might be written in his solitude——if that other Immensurable Loneliness which was God stretched forth Its hand to touch his own tiny human loneliness and to mark his vocation there.

~ Walter M. Miller Jr.

It is not what you meant to say, but it is what your saying meant.

~ Walter M. Miller Jr.

There were spaceships again in that century, and the ships were manned by fuzzy impossibilities that walked on two legs and sprouted tufts of hair in unlikely anatomical regions. They were a garrulous kind. They belonged to a race quite capable of admiring its own image in a mirror, and equally capable of cutting its own throat before the altar of some god, such as the deity of Daily Shaving. It was a species which often considered itself to be, basically, a race of divinely inspired toolmakers; any intelligent entity from Arcturus would instantly have perceived them to be, basically, a race of impassioned after-dinner speechmakers.It was inevitable, it was manifest destiny, they felt (and not for the first time) that such a race go forth to conquer stars. To conquer them several times, if need be, and certainly to make speeches about the conquest. But, too, it was inevitable that the race succumb again to the old maladies on new worlds, even as on Earth before, in the litany of life and in the special liturgy of Man...

~ Walter M. Miller Jr.