In his speech at UC Berkeley’s winter commencement on Dec. 20, comedian Bill Maher urged students to help save the earth, to be free thinkers and to “make a difference.” (Videos by Roxanne Makasdjian and Phil Ebiner)
Watch a Maher excerpt using a quote from famed mathematician Stephen Hawking:
Watch Bill Maher’s full commencement speech:
Related article: Read more coverage of Berkeley’s winter commencement and Maher’s appearance.