'Insist' in the Bible

But although my companion Titus was a Greek they did not insist upon even his being circumcised.

Yet I insist that among you also, each man is to love his own wife as much as he loves himself, and let a married woman see to it that she treats her husband with respect.

This is a faithful saying, and on these various points I would have you insist strenuously, in order that those who have their faith fixed on God may be careful to set an example of good actions. For these are not only good in themselves, but are also useful to mankind.