¹ Unless the Lord builds^(A) the house,
    the builders labor in vain.
Unless the Lord watches^(B) over the city,
    the guards stand watch in vain.

¹² If you say, “But we knew nothing about this,”
    does not he who weighs^(A) the heart perceive it?
Does not he who guards your life know it?
    Will he not repay^(B) everyone according to what they have done?^(C)