¹⁷ If anyone, then, knows the good they ought to do and doesn’t do it, it is sin for them.^(A)

³⁴ You brood of vipers,^(A) how can you who are evil say anything good? For the mouth speaks^(B) what the heart is full of.

¹⁸ But the things that come out of a person’s mouth come from the heart,^(A) and these defile them.