"We have to develop a model of prosperity that 4.5 billion more people can share and we don't know how to do it."

“The answer to the problem of the American car is not under its hood. ...The best car-related innovation we have is not to improve the car but to eliminate the need to drive it everywhere we go.”

“My other car is a bright green city.”

“The future starts now.”

“We can freely acknowledge the tremendous struggle ahead of us, and yet choose to remain decidedly optimistic, and to work from a fundamental belief in the possibilities of the future. … Every time we explain how a better future might be built, we redraw the boundaries of the possible.”

“No future can be beautiful which involves an economy that violates the rights of future generations, that degrades fundamental planetary systems in any way, or that fails to offer every human being a basic share of safety, dignity and happiness.”

“Kids born today will see us navigate past the first greatest test of humanity, which is: can we actually be smart enough to live on a planet without destroying it?”