CHĀNDOGYA UPANISHAD · 1.3.11
यां दिशम् अभिष्टोष्यन् स्यात् तां दिशम् उपधावेत् ॥
yāṃ diśam abhiṣṭoṣyan syāt tāṃ diśam upadhāvet ॥
On the quarter of the world which he is going to praise.
F. Max Müller · The Upanishads, Sacred Books of the East 1 (1879)