What is the meaning of the Prophetic Hadith: "You will see your Lord as you see the moon, without any difficulty in seeing Him. So if you are able not to be overcome concerning a prayer before sunrise and a prayer before sunset, then do so"?

This a sound Hadith narrated by Bukhari and Muslim, and it indicates that the believers will see Allah on the Day of Resurrection without a doubt. The phrase "you will not be wronged" means that they will not differ in seeing Him, or that no harm or difficulty will befall them in seeing Him. As for the phrase "If you are able to keep from being overcome," it refers to severing the causes of being overcome, such as sleep and preoccupation. "Before the rising of the sun and before its setting" refers to the Fajr and Asr prayers, and they are specifically mentioned due to their importance and the immense reward associated with them.