Pabbatūpatthara Jātaka
Pabbatūpatthara Jātaka:Once,Brahmadatta,king of Benares,discovered one of his courtiers intriguing in his harem.But being fond both of the man and the woman concerned,he asked advice of his counselor,the Bodhisatta,in a riddle that a pretty lake at the foot of a hill was being used by a jackal,while the lion lay quiet through it all.The counsellor’s answer was that all creatures drink at will of a mighty river,yet the river is a river for all that.The king understood the answer and advised both those concerned.
The story was related to the king of Koala who had detected a similar happening in his court.J.ii.125ff.