Bhagavad Gita · 2.10

तमुवाच हृषीकेशः प्रहसन्निव भारत।सेनयोरुभयोर्मध्ये विषीदन्तमिदं वचः॥

tam uvācha hṛṣhīkeśhaḥ prahasan iva bhārata senayor ubhayor madhye viṣhīdantam idaṁ vachaḥ

O Bharata, to him who was grieving in the midst of both armies, Hrishikesha, as if smiling, spoke these words.

— Bhagavad Gita 2.10

Source: Sacred-Texts.com (Sanskrit) + Bhagavad-Gita.io (translations)