Matthew 7:4

a beam is in thine own eye Which (1) ought to prevent condemnation of another for a less grave offence; and which (2) would obscure the spiritual discernment, and so render thee an incapable judge. The Pharisaic sin of hypocrisy (see next verse) was deeper and more fatal to the spiritual life than the sins which the Pharisee condemned.

out of Greek ἀπό (a reading which rests on the highest MS. authority) = "from the outside surface," which alone the Pharisee discerns