Be punctual in prayers and do not delay them unnecessarily; Perform religious duties with utmost dedication and sincerity; Be mindful of time; Perform religious obligations at their appointed times; Reap maximum benefit from them.

This hadith is about how Prophet Muhammad used to call for prayer on Fridays when his shadow was like a sandal strap. It teaches us that we should be punctual in our prayers and not delay them unnecessarily. We should also strive to perform our religious duties with utmost dedication and sincerity, as this is what Allah expects from us. Furthermore, it also teaches us that we should be mindful of time and make sure to perform our religious obligations at their appointed times so that we can reap maximum benefit from them.