11 quotes from difference makers

Ever wonder how you can help create positive change? Here is advice from 11 outstanding people in history whose lives and ideas made a difference in the world.

Read stories about "people making a difference" in the world today.

1.Fred Rogers

Fred Rogers hosted the children's program "Mr. Rogers' Neighborhood" on PBS from 1968 to 2001. (AP/File)

'When I was a boy and I would see scary things in the news, my mother would say to me, "Look for the helpers. You will always find people who are helping.” '

– Fred Rogers ("Mr. Rogers," 1928 -2003)

Leonardo da Vinci

A crowd in the Santa Maria delle Grazie church in Milan, Italy, views Leonardo Da Vinci's masterpiece 'The Last Supper.' (Antonio Calanni/AP/File)

'I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough, we must do.'

Leonardo da Vinci (1492-1519)

Anne Frank

An undated photo of Anne Frank, the young Jewish girl who, with her family, hid from the Nazis in Amsterdam, Netherlands, during World War II. (AP/File)

'How wonderful that no one need wait a single moment to improve the world.'

Anne Frank (1929-1945)

Mother Teresa

Mother Theresa accepts the fellowship of the Royal College of Edinburgh, its highest award, at a ceremony in New Delhi, India, Feb. 23, 1991. (Reuters/Kamal Kishore/File)

'We can do no great things – only small things with great love.'

Mother Teresa (1910-1997)

Margaret Mead

Margaret Mead was an American cultural anthropologist. (AP/File)

'Never believe that a few caring people can't change the world. For, indeed, that's all who ever have.'

Margaret Mead (1901-1978)

Robert F. Kennedy

FBI Director J. Edgar Hoover, center, has two listeners in President John F. Kennedy, left, and his brother, Attorney General Robert Kennedy, during a White House conference, Feb. 23, 1961 in Washington D.C. (Henry Burroughs/AP/File)

'It is from numberless diverse acts of courage and belief that human history is shaped. Each time a man stands up for an ideal, or acts to improve the lot of others, or strikes out against injustice, he sends forth a tiny ripple of hope, and crossing each other from a million different centers of energy and daring, those ripples build a current that can sweep down the mightiest walls of oppression and resistance.'

Robert F. Kennedy (1925-1968)

Mahatma Gandhi

Indian leader Mohandas K. Gandhi, also known as Mahatma Gandhi, smiles in this 1947 photo, location unknown. (AP/FIle)

'We must become the change we want to see in the world.'

Mohandas Karamchand Gandhi, commonly known as Mahatma Gandhi (1869-1948)

Charles Dickens

An inscribed copy of Charles Dickens' 'Oliver Twist' is displayed at Christie's auction house in New York in 2008. (Shannon Stapleton/Reuters/File)

'Come out into the world about you, be it either wide or limited. Sympathize, not in thought only, but in action, with all about you. Make yourself known and felt for something that would be loved and missed, in twenty thousand little ways, if you were to die; then your life will be a happy one, believe me.'

Charles Dickens (1812-1870)

Ralph Waldo Emerson

The Concord (Mass.) Museum houses many artifacts from the town's historic past. Shown here are some of the town's famous writers, from left: Bronson Alcott, Nathaniel Hawthorne, Louisa May Alcott, Henry David Thoreau, and Ralph Waldo Emerson. (John Nordell/The Christian Science Monitor/File)

'The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.'

Ralph Waldo Emerson (1803-1882)

William James

William James was an American philosopher and psychologist. (AP/File)

'Act as if what you do makes a difference. It does.'

William James (1842-1910)

Edward Everett Hale

I am only one; but still I am one. I cannot do everything; but still I can do something; and because I cannot do everything, I will not refuse to do the something that I can do.

– Edward Everett Hale (American author, historian, and clergyman, 1822-1909)