Error held as truth has much the effect of truth. In politics and religion this fact upsets many confident predictions.
A tree nowhere offers a straight line or a regular curve, but who doubts that root, trunk, boughs, and leaves embody geometry?
Discovery begins by finding the discoverer.
A superstition is a premature explanation that overstays its time.
Let truth be a banner big enough to hide the man who holds it up.
Ignorance may find a truth on its doorstep that erudition vainly seeks in the stars.