Verse 16

एतया तदलं मेऽस्तु तुच्छया पूर्वचिन्तया ।पौरुषं याति साफल्यं वर्तमानचिकित्सया

In plain words

Enough, let that be enough for me, this petty brooding over the past: pauruṣa comes to its fruition through the healing of what is present.