There were two times that observing Allah was asked for.

There were two times that observing Allah was asked for. One time Moses (as) himself asked Allah to see His True Essense. Then, in answer to him (as), this very current verse was revealed and manifested that Moses (as) had not its capacity.

The verse says: “And when Moses came to Our appointed tryst and his Lord spoke with him, he said: ‘My Lord, show me (Yourself), that I may look towards You!’ He (Allah) said: ‘Never shall you see Me, but look towards the mountain: if it remains firm in its place, then you will see Me.’ So when his Lord manifested (His) glory to the mountain, He sent it crashing down, and…