In June 2005, Apple co-founder Steve Jobs gave the commencement speech at Stanford University. As he spoke about his own remarkable success, he also contemplated mortality, even saying death was possibly the “single best invention of life” because of the change it enables. He urged the graduating students to make the most of the finite time they have. He encouraged them to follow their own instincts and passions, and to discover, then live for, what is truly important. Jobs practiced what he preached: He said he had spent most of his life treating each day as if it could be his last.