Verse 40

प्रकाशेन प्रयात्यन्तमनालोकोऽभवत्तमः ।अनिच्छतोऽपि ते साधो विचारे स्थितिमागते

In plain words

By light, the absence of light that had become darkness comes to its end. Even without your wishing it, O good sir, once inquiry has come to stand established --