Your father went through all that trouble for your sake. ✬

She argues just for the sake of arguing. ✬

There's no need to advertise a good sake. ✬

For the sake of completeness, let us mention that the ring R, considered as a module over itself, has submodules of arbitrarily large finite length. ✬

Tom and Mary have to stay married for the sake of the children. ✬

Tofu goes well with good sake. ✬

Tom is the type of person who likes to argue just for the sake of arguing. ✬

Tom did it for the sake of his country. ✬

Do it for my sake. ✬

Let's suppose, for the sake of argument, that you're right. ✬