I’m not going to argue with the owner of this car.  But I think the quote is:

“I have a right to nothing which another has a right to take away.” — Thomas Jefferson to Uriah Forrest, 1787. Papers, 12:477.

I could be wrong.  Did Jefferson use the actual words on the bumper sticker?

From Linda, taken at the Sam’s Club parking lot in Nashville, TN, a city which has more bumper stickers per parking space than any other place in the world: