If a person seeking butter churns the milk of the she-ass, without finding what he seeks he simply finds a substance of foul smell like ordure.
यो घृतार्थी खरीक्षीरं मथेद् गन्धर्वसत्तम। विष्ठां तत्रानुपश्येत न मण्डं न च वै घृतम्॥