At that time Jesus answering said, I thank thee, Father, Lord of heaven and earth, that thou hast hid these things from the wise and intelligent, and hast revealed them to babes.

Let them go; they are blind guides of the blind. But if the blind lead the blind, they will both fall into the pit.

And Jesus answered and said to them, You err, not knowing the Scriptures, nor the power of God.

And knowest

For not that which is external is the Jew, nor is that which is external in the flesh circumcision.

We are the circumcision, who serve God in spirit, and rejoice in Christ Jesus, and trust not in the flesh,

in whom you are also circumcised with a circumcision not made with hands, with the putting off of the body of the flesh, with the circumcision of Christ,

General references

For every one that asks, receives; and he that seeks, finds; and to him that knocks, it shall be opened.

And he said to them, Are you also so without understanding? Do you not understand that nothing which enters into a man from without can defile him,

And there was a man of the Pharisees whose name was Nicodemus, a ruler of the Jews.