I wasn't doing anything that would save humanity from clear and present danger.

Your job is to destroy them all and thus save humanity.

The ones they chose to fight the final battle to save humanity.

The player character may have to save humanity from its new destruction.

The free world was going to save humanity from tyranny.

The scientists are trying to stop her and at the same time implement their own plan to save humanity.

Not when you can save humanity from that and be God, too.

And the reversal of life is only option to save humanity.

"I can't see you doing this for the sake of saving humanity from my kind."

She was prepared to betray them all in order to save humanity.