Be sure you are right, then go ahead.

Be always sure you're right, then go ahead.

Make sure your right, and then go do it.

I am at liberty to vote as my conscience and judgement dictates to be right, without the yoke of any party on me.

Be always sure you are right - then go ahead.

We have the right as individuals to give away as much of our own money as we please in charity; but as members of Congress we have no right to appropriate a dollar of the public money.