"no one can boast" (more verses)

Matthew 23:28
Even so you also outwardly appear righteous to men, but within you are full of hypocrisy and iniquity.

Luke 16:15
And he said to them, You are they which justify yourselves before men; but God knows your hearts: for that which is highly esteemed among men is abomination in the sight of God.

Romans 3
10 As it is written, There is none righteous, no, not one:

23 For all have sinned, and come short of the glory of God;



Romans 5:8
But God demonstrates his own love for us in this: While we were still sinners, Christ died for us.

Ephesians 2:8-9
For it is by grace you have been saved, through faith—and this not from yourselves, it is the gift of God—not by works, so that no one can boast.