"Only if we understand, will we care. Only if we care, will we help. Only if we help, shall all be saved."

"You cannot get through a single day without having an impact on the world around you. What you do makes a difference, and you have to decide what kind of difference you want to make."

"The power of one individual to make a difference is immense, and we should never underestimate it."

"I'm often asked if I'm an optimist or a pessimist. I say I'm a 'possibilist.'"

"If we don't save the planet, we don't save ourselves."