He must serve the cause by all means in his power.

He said I could "serve the cause better from within".

No material has served the cause of art in so many ways.

I serve the King and the cause of the just,' the man replied.

How well these voters served their own cause is a matter of some debate.

Neither she nor her death served the cause of peace.

"The real question is, would killing you best serve our cause?"

Work your will on me, so I may best serve our cause.

But for the moment, her public stance serves our cause.

You have served our cause and deserved better, but it was not to be.