יְהוָ֤ה ׀ בְּֽהֵ֘יכַ֤ל קָדְשׁ֗וֹ יְהוָה֮ בַּשָּׁמַ֪יִם כִּ֫סְא֥וֹ עֵינָ֥יו יֶחֱז֑וּ עַפְעַפָּ֥יו יִ֝בְחֲנ֗וּ בְּנֵ֣י אָדָֽם׃
The LORD is in His holy temple, the LORD, His throne is in heaven; His eyes behold, His eyelids try, the children of men.
Read kabbalistic (mystical) interpretation of Psalms 11:4: and classical mystical sources.