"Photography can never grow up if it imitates some other medium. It has to walk alone it has to be itself."

"The camera is no more an instrument of preservation, the image is."

"Photography can only represent the present. Once photographed, the subject becomes part of the past."

"The challenge for me has first been to see things as they are, whether a portrait, a city street, or a bouncing ball. In a word, I have tried to be objective."

"Until we totally change the way we elect our leaders, until we remove private money from public campaigns, lying will be the de facto method of governance in this country."

"In science the important thing is to modify and change one's ideas as science advances."

"Every time we share something rather than own it ourselves, we reduce the stress on the planet. That could make the critical difference as the global population continues to grow."

"The cool part about working for Disney is that they've allowed me to be a change agent."