We may, indeed, set it down as an absolute certainty, that many things are erroneously deemed impossible; for, till we know all the possible—and how far we are from that need not be insisted on—how can we know what is impossible?

— Robert Chambers Testimony: its Posture in the Scientific World (1859)

More quotes by Robert Chambers

Vestiges of the Natural History of Creation (1844)

Vestiges of the Natural History of Creation (1844)

Vestiges of the Natural History of Creation (1844)

Vestiges of the Natural History of Creation (1844)

Sanitary Economy (1850)

Quote text and notes from Wikiquote: Robert Chambers (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.