“Succeeding, Through the Prophet, Pt. 4: Following the Nūr Revealed w/ Him” - Safar 27, 1446

In this series of lectures, we delve into the end part of a verse of the Holy Qur'ān: verse 157 of Sūrat-il-A'rāf (chapter 7). Through this verse, we discuss how one can succeed in this life & the afterlife, through his/her relationship with the Holy Prophet (blessings of Allāh upon him & his progeny).
The fourth part of reaching this success, & the fourth responsibility of our's towards the Prophet, is: following the "Nūr" that was revealed with him.
What is this "Nūr?" What does it mean to follow it? What is the importance, & what are the effects of following this "Nūr?" Lastly, what are some practical tips on following this "Nūr?"