Rav Michael Munk zt"l, quoted Bava Basra (16b) in his sefer The Wisdom in the Hebrew Alphabet, page 178, which states the following:
Many people see very clearly when observing the faults of others, but when it comes to their own faults, their vision is blurred.
I looked in Bava Basra 16b, but was unable to find the quote there.
Does anyone know where this quote can be found?