He couldn't see the motes in his own eye while pointing out the beams in others'.
motes and beams
Frequency:
60
%
She was quick to criticize others' beams but oblivious to the motes in her own eye.
Idiomatic Expressions for motes and beams
Phrase: to remove the mote from one's own eye before trying to remove the beam from someone else's
Meaning: to address one's own faults or issues before criticizing or judging others
Usage: Before you start pointing fingers at others, make sure you remove the mote from your own eye first.