Having started Box.net in his college dorm room, CEO Aaron Levie has learned some valuable lessons. In this clip, Levie elaborates on five lessons: 1) Do something that was not possible three years ago, 2) Do something you are extremely passionate about, 3) Don't compromise, 4) If you feel comfortable, you're probably not doing it right, and 5) Don't write your obituary too early. View more clips and share your comments at ecorner.stanford.edu