Jaiminīya Upaniṣad Brāhmaṇa 2.4.2

2.4.2

vaśī bhavati vaśe svān kurute ya evaṃ veda
asya hy asāv agre dīpyate3 amuṣya vā saḥ /

He becomes a controller and brings his own under control who knows thus;
for his [point] blazes yonder at the top, or that [blazes] of yonder one.