Arthashastra
तेषाम् एकेन उपायेन सिद्धिर् एक सिद्धिः, द्वाभ्यां द्वि सिद्धिः, त्रिभिस् त्रि सिद्धिः, चतुर्भिश् चतुः सिद्धिर् इति ॥
When a king attains success by only one means among these various means, he is called one of single success; when by two, one of double success; when by three, one of treble success; and when by four, one of four-fold success.
english translation
teSAm ekena upAyena siddhir eka siddhiH, dvAbhyAM dvi siddhiH, tribhis tri siddhiH, caturbhiz catuH siddhir iti ॥
hk transliteration by Sanscript