आत्मौपम्येन सर्वत्र समं पश्यति योऽर्जुन। सुखं वा यदि वा दुःखं सः योगी परमो मतः
ātmaupamyena sarvatra samaṁ paśhyati yo ’rjuna sukhaṁ vā yadi vā duḥkhaṁ sa yogī paramo mataḥ
O Arjuna! He is the perfect saint who, having been taught by the likeness within himself, sees the same Self everywhere, regardless of whether the outer form be pleasurable or painful.
Translated by Shri Purohit Swami
He who, through the likeness of the Self, O Arjuna, sees reality everywhere, be it pleasure or pain, is regarded as the highest Yogi.
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
ātma-aupamyena—similar to oneself; sarvatra—everywhere; samam—equally; paśhyati—see; yaḥ—who; arjuna—Arjun; sukham—joy; vā—or; yadi—if; vā—or; duḥkham—sorrow; saḥ—such; yogī—a yogi; paramaḥ—highest; mataḥ—is considered