"This documentary has enormous potential to rattle a complacent public into action."
"What Matters? has no limits as to where it could go if enough people see it."
"I haven't been able to stop thinking about the film - the most powerful and thought-provoking thing that I've seen in a very long time."
"It’s a call to action, and one that viewers will want to answer."
"A very inspiring film. It's the kind that makes you want to get up and do something."
"A tremendous accomplishment… I know the film will have have lasting impression on my own outlook on the world."