A subtle thought that is in error may yet give rise to fruitful inquiry that can establish truths of great value.
Source: In Isaac Asimov's Book of Science and Nature Quotations, ed. Jason Shulman & Isaac Asimov, 1988.
-- Isaac Asimov, (Jan 2 1920-1992), US science writer, science-fiction writer; He was a prolific non-fiction and SF author who created the robotic laws and the Foundation series.