Deuteronomy 27:18

"Cursed is the one who makes the blind to wander off the road.' "And all the people shall say, "Amen!'

Surrounding context

27:17 "Cursed is the one who moves his neighbor's landmark.' "And all the people shall say, "Amen!'

27:18 "Cursed is the one who makes the blind to wander off the road.' "And all the people shall say, "Amen!'

27:19 "Cursed is the one who perverts the justice due the stranger, the fatherless, and widow.' "And all the people shall say, "Amen!'

Translation and sources