Verse
अक्षराणामकारोऽस्मि द्वन्द्वः सामासिकस्य च ।अहमेवाक्षयः कालो धाताऽहं विश्वतोमुखः ॥
I am the letter A among letters, the dual among compounds. I am imperishable Time; I am the Master and Ruler (of all existences), whose faces are everywhere.
Gītā 10·33