3 Bible Verses about Underestimation

Have ye forgotten the exhortation, which speaketh to you as to sons, saying, "My son, despise not the chastening of the Lord, nor saint when rebuked by Him?

So they were prejudiced against Him. But Jesus said unto them, A prophet is no where less honoured than in his own country, and in his own family.

And Nathaniel said unto him, Can any thing good come out of Nazareth? Philip replied, Come and see.