to take the law into one's hands

I think that we were right to do so and are right to continue to do so.

I need to provide you with a reason for action - and a good reason at that.

There's every reason to do it and no reason not to.

It was every reason to do it and no reason not to.

There is all the reason to do so, and no reason not to.

There was every reason to do it and no reason not to.

There’s no need to worry until there’s a reason to worry.

There is every reason to do so and no reason whatsoever not to.

They have every reason to do so, and no reason not to.

There is no reason to worry until they give you a reason to worry.

It’s a reason to do it, not a reason to not do it.

no sense worrying about things until we had a reason to worry.

They are right; there is no reason why they should believe each other.

How do you persuade them that they are right to call on your services and right to trust you?