The Highest on High is God. He is called Sat Shri Akal. Akaali people (Sikhs) believe in the incorporeal One.
Whose praise is Sat Shri Akal (Truth, Elevated, Immortal)? That of the Supreme Father, the Supreme Soul. So, this proves that the Truth is only the One Shri Shri God, the Immortal Image. You can say: Sat Shri Akal. You know Him.