Verse 64

सुखदुःखक्रमः प्राप्य भवन्तं परिनश्यति ।प्राकाश्यमासाद्य यथा तमस्तेजोऽथवा हिमम्

In plain words

The succession of pleasure and pain, on reaching you, perishes utterly -- as darkness does on meeting illumination, or frost on meeting heat.