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. 

"Embrace your inexperience," says Wendy Kopp, CEO and Founder of Teach For America, as "inexperience can be an asset because you don't know what is impossible." Kopp reminds social entrepreneurs they will need a lot of help, and to not try to do it all alone. Kopp also encourages social entrepreneurs to remain on a constant search for allies who can help you fulfill your mission. 

Kawasaki talks about how a mission statement, while touted as necessary for any company, often is not representative of the true meaning of the company. Instead, a mantra is shorter and captures the essence of the organization.