All things are lawful unto me, but all things are not expedient: all things are lawful for me, but I will not be brought under the power of any.

For John had said unto Herod, It is not lawful for thee to have thy brother's wife.

But when the Pharisees saw it, they said unto him, Behold, thy disciples do that which is not lawful to do upon the sabbath day.

Shall the prey be taken from the mighty, or the lawful captive delivered? / But thus saith the LORD, Even the captives of the mighty shall be taken away, and the prey of the terrible shall be delivered: for I will contend with him that contendeth with thee, and I will save thy children.

We're doing a lot of things because they're expedient.

What is lawful is not binding only on some and not binding on others. Lawfulness extends everywhere, through the wide-ruling air and the boundless light of the sky.