John 3:10

Jesus answered and said unto them, Ye do err, not knowing the scriptures, nor the power of God.

And I will give them one heart, and I will put a new spirit within you; and I will take the stony heart out of their flesh, and will give them an heart of flesh:

Let them alone: they be blind leaders of the blind. And if the blind lead the blind, both shall fall into the ditch.

But this shall be the covenant that I will make with the house of Israel; After those days, saith the LORD, I will put my law in their inward parts, and write it in their hearts; and will be their God, and they shall be my people.

Circumcise therefore the foreskin of your heart, and be no more stiffnecked.

Behold, thou desirest truth in the inward parts: and in the hidden part thou shalt make me to know wisdom.

His watchmen are blind: they are all ignorant, they are all dumb dogs, they cannot bark; sleeping, lying down, loving to slumber.

For the leaders of this people cause them to err; and they that are led of them are destroyed.

At that time Jesus answered and said, I thank thee, O Father, Lord of heaven and earth, because thou hast hid these things from the wise and prudent, and hast revealed them unto babes.

Truly God is good to Israel, even to such as are of a clean heart.

And give unto Solomon my son a perfect heart, to keep thy commandments, thy testimonies, and thy statutes, and to do all these things, and to build the palace, for the which I have made provision.

And the LORD thy God will circumcise thine heart, and the heart of thy seed, to love the LORD thy God with all thine heart, and with all thy soul, that thou mayest live.

Create in me a clean heart, O God; and renew a right spirit within me.

For we are the circumcision, which worship God in the spirit, and rejoice in Christ Jesus, and have no confidence in the flesh.

For he is not a Jew, which is one outwardly; neither is that circumcision, which is outward in the flesh: