If an aircraft is able to fly ...

If an aircraft is able to fly day and night without fuel, propelled only by solar energy, let no one claim that it is impossible to do the same thing for motor vehicles, heating and air-conditioning systems or computers, etc. This project voices our conviction that a pioneering spirit with political vision can together change society and and reduce society's dependence on fossil energies.
 Bertrand Piccard

Quotes from the same author

What the history of aviation has brought in the 20th century should inspire us to be inventors and explorers ourselves in the new century.
 Bertrand Piccard
In the 21st century, I think the heroes will be the people who will improve the quality of life, fight poverty and introduce more sustainability.
 Bertrand Piccard
I'm learning kite surfing. It's a little surfboard you have on your feet with straps, and you have a big kite like a power glider in the air that pulls you. You don't need waves to move, and it makes a big spray of water as you go.
 Bertrand Piccard