The only time you should ever look back is to see how far you've come.
Although it's not my favorite singer's song but I love it the most anyways.
Below is the link to Steve Job's Commencement Speech at the graduates of Stanford University in 2005 which I found really inspiring and touching.
It's Ryan Higa - a well-known vlogger who made a video of him dressing as a ninja to give away the food to the homeless people in Thanksgiving Day. Love is sharing.