"Progress is impossible without change, and those who cannot change their minds cannot change anything."

George Bernard Shaw
Irish dramatist, politician, satirist, music critic and pacifist

"No matter what people tell you, words and ideas can change the world."

Robin Williams
Actor and comedian (1951-2014)

"The tennis ball doesn't know how old I am. The ball doesn't know if I'm a man or a woman or if I come from a communist country or not. Sport has always broken down these barriers."

Martina Navratilova
Tennis Player

"People are more willing to make sacrifices when they see that everyone else is doing it, this is human nature."

Henry Ford
Founder Ford Motor Company (1863-1947)

"The ultimate goal of a more effective and efficient life is to provide you with enough time to enjoy some of it."

Michael Le Boeuf
Business author & former professor of management

"You can focus on things that are barriers or you can focus on scaling the wall or redefining the problem."

Tim Cook
CEO Apple

"Obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it."

Michael Jordan
American basketball player & entrepreneur

"You should never view your challenges as a disadvantage. Instead, it's important for you to understand that your experience facing and overcoming adversity is actually one of your biggest advantages."

Michelle Obama
Former US-American First Lady (2009-2017)

"The people who shift something from today to tomorrow are the same ones who have shifted something from yesterday to today."

Peter Ustinov
Actor