kIlakastotram 11

ञात्वा  प्रारभ्य कुर्वीत ह्यकुर्वाणो विनश्यति | 
ततो ञात्वैव सम्पूर्णमिदं प्रारभ्यतॆ बुधैः || 11 ||

JNAtvA  prArabhya kurvIta hyakurvANo vinashyati |

tato JNAtvaiva sampUrNamidaM prArabhyatE budhaiH || 11 ||

Knowing and having begun this practice, one who does not do it perishes.

Knowing this, a wise one (accomplishes) the fulfillment of what has been begun.