(Gen. 4:9) And He said: ‘Where (ey) is Abel your brother?
Come see: These two letters EY composed of Aleph א and Yod י which were withdrawn from It the Name ADNY, – with which he Abel sinned – caused his death, Aleph א – the ‘wondrous and hidden designer’, Yod י – thought.
Rabbi El’azar said to him: ‘Father, behold there are many thoughts. Lower Shekhinah is called ‘thought’, Higher Ḥokhmah is called ‘thought’, and higher and higher is ‘thought’, and above all of them, is the ‘thought’ above which there is nothing higher, and it is the Hidden of all hidden-ones, the Highest of all high-ones.