(1) No man can be a good ruler unless he has first been ruled. 

(2) A king is a ruler.

(3) Draw a line with a ruler.

(4) The Queen of England is a hereditary ruler.

(5) The ruler cracked and splintered into pieces.

(6) Can you measure accurately with this ruler?

(7) Align the ruler and the middle of the paper.

(8) This ruler has one scale in centimeters and another in inches.

(9) The carpenter ran his ruler over the shed and sized it up at once.

(10) He is the toughest military ruler yet and has responded harshly to any dissent.

(11) In Greek mythology, Zeus was the ruler of Gods and men.

(12) You'll snap that ruler if you bend it too far.

(13) A certain ruler in the Middle Ages was famous for poisoning her guests with chemicals put into their drinks.

(14) All right, who's nicked my ruler?

(15) Is this ruler graduated in centimeters?

(16) A wise ruler is generous in victory.

(17) He ruled the paper with a ruler.

(18) The country was finally united under one ruler.

(19) He thwacked the desk with a ruler.

(20) The savage ruler ordered that the prisoner be executed.

(21) He was once a potent ruler.

(22) Can an absolute ruler do just as he pleases?

(23) He cracked me on the head with a ruler.

(24) Square the page off with your ruler.

(25) The ruler is divided into centimetres.

(26) This ruler has only one scale in centimeters.

(27) He eventually became ruler over the Burgundians.

(28) The first method for estimating the intellingence of a ruler is to look at the men he has around him. 

(29) A poor man who takes a rich wife has a ruler[Sentencedict.com ], not a wife. 

(30) At that time the East India Company was the virtual ruler of Bengal.