Skandapurana 6.3.156.43

6.3.156.43

sa labhennātra sandehaḥ satyaṃ satyaṃ punaḥ punaḥ .
putrārthī labhate putraṃ dhanārthī labhate dhanam .. 156.43 ..

he shall obtain it, there is no doubt here; it is true, true again and again. / One desiring a son obtains a son; one desiring wealth obtains wealth;