Romans 2:19-21

WEB_Strongs(i)
  19 G5037 and G3982 are confident that G4572 you yourself G1511 are G3595 a guide G5185 of the blind, G5457 a light G3588 to those G1722 who are in G4655 darkness,
  20 G3810 a corrector G878 of the foolish, G1320 a teacher G3516 of babies, G2192 having G1722 in G3551 the law G3446 the form G1108 of knowledge G2532 and G225 of the truth.
  21 G3588 You G3767 therefore G1321 who teach G2087 another, G3756 don't G1321 you G4572 teach yourself? G2784 You who preach G3361 that a man shouldn't G2813 steal, G2813 do you steal?