“Any waste stream in our society can be turned into a revenue stream. It's turning the lemons in our society into lemonade.”

“As someone who runs a solar financing company and founded the world's largest youth clean energy organization, I know solar energy is a very good investment.”

“At the end of 2002, mid-way through my junior year at Yale and increasingly freaked out about the deepening climate crisis, I dropped out to try to build a youth movement.”

“One of the fastest ways to build the clean energy economy is to allow more people to benefit from it.”

“Our personal networks, although often small at the beginning, can still be the best place to start when we want to get a job that makes a difference or take our ideas to the next level.”

“Solar will outcompete other technologies.”

“The fossil fuel industry is destroying our planet and everything that we love.”

“The market we're going after is the clean-energy market.”

“There's a big gap between 'Click the link to send an e-mail to your congressman' and 'Chain yourself to the White House.'”

“We fight, even against insurmountable odds, because sometimes we win.”

“We're aiming to be the leading investment platform for the clean-energy economy.”

“With Kickstarter, people are patrons of the arts. With Mosaic, people can be clean-energy investors like Warren Buffett.”

“You make the road by walking.”