I think nothing more needs to be said; you may go.
"And I don't think anything more needs to be said over Bruce's body."
The relationship between Pakistan and the US has been a contentious one but who do you think needs who, the most?
"In my experience, Captain, the Rector is uncommonly effective at getting done what she thinks needs doing."
In any situation, he sees what he thinks needs doing, and he does it.
I'll do what you think needs doing.
I intend to Dr. Amo this afternoon and ask him what be thinks needs.
I do what I think needs doing.
Liaise with regular ship security, but don't wait-do what you think needs doing.
"Tell me what you think needs doing, and I'll see about getting it done."