Verse 5

येनैव संख्या क्रियते येनैवाऽस्वाऽनुगम्यते ।तदीयैः कर्मभिः क्षिप्रं प्राज्ञः क्रूरो निबध्यते

In plain words

Whatever it is by which the reckoning is made, whatever it is by which [the object] is pursued — by the deeds of that very one, swiftly, the wise one, the cruel one, is bound.