Here are some of my favorite presentation and commencement addresses. I watch them about once a year to help me remember doing good art, having fun trying new thing, and doing something new is important (even if you cannot connect how it will translate to paying the mortgage).
Neil Gaiman at the University of the Arts Class of 2012
TEDxUW – Larry Smith – Why you will fail to have a great career
J.K. Rowling at Harvard