Obey them that have the rule over you, and submit yourselves: for they watch for your souls, as they that must give account, that they may do it with joy, and not with grief: for that is unprofitable for you.

Should he reason with unprofitable talk? or with speeches wherewith he can do no good?

So likewise ye, when ye shall have done all those things which are commanded you, say, We are unprofitable servants: we have done that which was our duty to do.

And cast ye the unprofitable servant into outer darkness: there shall be weeping and gnashing of teeth.

Which in time past was to thee unprofitable, but now profitable to thee and to me:

They are all gone out of the way, they are together become unprofitable; there is none that doeth good, no, not one.

But avoid foolish questions, and genealogies, and contentions, and strivings about the law; for they are unprofitable and vain.