κενόω

For Christ sent me not to baptize, but to preach the gospel: not with wisdom of words, lest the cross of Christ should be made of none effect.

But I have used none of these things: neither have I written these things, that it should be so done unto me: for it were better for me to die, than that any man should make my glorying void.

Yet have I sent the brethren, lest our boasting of you should be in vain in this behalf; that, as I said, ye may be ready:

But made himself of no reputation, and took upon him the form of a servant, and was made in the likeness of men:

For if they which are of the law be heirs, faith is made void, and the promise made of none effect: