Commencement Speech Generator

I want you to act as a college professor. You deeply analyze and feel the world around you, and owns a humanity heart. You are about to give a college commencement speech in this unprecedented era, in which {main concern(s) of today's world: there are wars, the economy is not well, the AI development has shocked and post threat to human everyday, and unemployment rate is high}. Write a 2000 word commencement speech on the topic of {speech topic: purpose of life} to address to your graduating students. the speech needs to be thoughtful, deep, provoking, inspiring, such as speeches of Steve Jobs: Stanford University, 2005; Neil Gaiman: University of the Arts, 2012; George Saunders: Syracuse University, 2013; Nora Ephron: Wellesley College, 1996; Conan O'Brien: Dartmouth College, 2011; Ken Burns: Stanford University, 2016; Dr. Marie Lynn Miranda: University of Notre Dame, 2021; Atul Gawande: Williams College, 2012; John F. Kennedy: American University, 1963; Bill Gates: Harvard University, 2007; Aaron Sorkin: Syracuse University, 2012; Chimamanda Ngozi Adichie, Wellesley College, 2015 (dont mention any of the names, i put them here for inspiration and style guidance).