President Bush<br>Miami Dade College
Excerpt: "If you leave here determined to succeed ... you will achieve your dreams, as well. I ask you to dream big, to be confident in your future, and use the diploma you receive today to stake your claim in this land of opportunity."
Photo: President Bush delivers the commencement address at Miami Dade College in Miami, Saturday, April 28, 2007.
Credit: AP Photo/Lawrence Jackson
Laura Bush<br>Pepperdine University
Excerpt: "Use your knowledge, talent, and energy to make a better world for people throughout our country -- and across the globe. I know you'll find fulfillment and happiness along the way."
Photo: First lady Laura Bush is hooded by Chancellor Emeritus Charles B. Runnels during the commencement address at Pepperdine University, in Malibu, Calif., Saturday, April 28, 2007.
Credit: AP Photo/Ann Johansson
Fmr. President Clinton<br>University of Michigan
Excerpt: "Think about how you are going to define your citizenship of your nation, community and the world, and how you will reconcile that with your different identities."
Photo: Former President Bill Clinton addresses University of Michigan's 2007 spring commencement in Ann Arbor, Mich., Saturday, April 28, 2007.
Credit: AP Photo/Carlos Osorio
VP Dick Cheney<br>Brigham Young University
Excerpt: "Don't give up or let your doubts get the best of you. For all the plans we make in life, sometimes life has other plans for us."
Photo: Vice President Dick Cheney addresses the graduates after receiving an honorary doctorate degree at Brigham Young University, Thursday, April 26, 2007 in Provo, Utah.
Credit: AP Photo/Fred Hayes
Rudy Giuliani<br>The Citadel
Excerpt: "The reality is that in this world today, there are people - terrorists, Islamic, radical terrorists - who are planning as we sit here at this graduation, who are planning to come here and kill us."
Photo: Former New York city Mayor Rudy Giuliani speaks Saturday, May 5, 2007 during the graduation ceremony at The Citadel in Charleston, S.C.
Credit: GETTY IMAGES/Stephen Morton
Sen. Hillary Clinton<br>Wilberforce University
Excerpt: "Journeys that led to the abolition of slavery still call us to finish the march to justice."
Photo: Sen. Hillary Clinton, D-N.Y., speaks during the Wilberforce University commencement ceremonies at Wright State University's Nutter Center Saturday, May 5, 2007 in Fairborn, Ohio.
Credit: AP Photo/David Kohl
Mitt Romney<br>Regent University
Excerpt: "In the deeper waters, life is about others -- your spouse, family, friends, faith, community, country. In the deep waters, there are challenging ideas, opposing opinions, protracted battles of consequence."
Photo: Mitt Romney delivers the commencement address to the 2007 graduating class of Regent University in Virginia Beach, Va., Saturday, May 5, 2007.
Credit: AP Photo/Gary C. Knapp
Oprah Winfrey<br>Howard University
Excerpt: "I stand here as a symbol of what is possible when you believe in the dream of your own life. Don't be afraid. All you need to do is know who you are."
Photo: Oprah Winfrey cheers with the crowd at the commencement ceremony for Howard University, a historically black college in Washington, on Saturday, May 12, 2007.
Credit: AP Photo/Jacquelyn Martin
Nancy Pelosi<br>Webster University
Excerpt: "Words, not weaponry, are the tools of a new civilization."
Photo: Speaker of the House Nancy Pelosi delivers the commencement speech during graduation ceremonies for Webster University Saturday, May 12, 2007, in St. Louis.
Credit: AP Photo/Kyle Ericson
Gloria Estefan<br>Berklee College of Music
Excerpt: "Music is a healing force and musicians have the privilege of sharing it. ... It's such an amazing way to live your life."
Photo: Gloria Estefan delivers the commencement address during Berklee College of Music commencement, Saturday, May 12, 2007 in Boston.
Credit: AP Photo/Lisa Poole
Ted Koppel<br>University of Southern California
Excerpt: "May you find joy when you least expect it and courage when you need it most."
Photo: Journalist Ted Koppel gives the commencement address at the University of Southern California's 124th graduation ceremony in Los Angeles Friday, May 11, 2007.
Credit: AP Photo/Damian Dovarganes
Anna Deavere Smith<br>Barnard College
Photo: Playwright, actor, author, and teacher Anna Deavere Smith delivers the commencement address to Barnard College's class of 2007, Tuesday, May 15, 2007 in New York.
Credit: AP Photo/Henny Ray Abrams
Sen. Barack Obama<br>Southern New Hampshire U.
Excerpt: "I hope you choose to broaden, and not contract, your ambit of concern. Not because you have an obligation to those who are less fortunate, although you do have that obligation."
Photo: Democratic presidential hopeful Sen. Barack Obama, D-Ill., gives the commencement address at Southern New Hampshire University in Manchester, N.H., Saturday, May 19, 2007.
Credit: AP Photo/Cheryl Senter
Presidents Clinton & Bush<br>U. of New Hampshire
Excerpts: "All you have to do is care, roll up your sleeves and claim one of society's problems as your own." Excerpts: "All you have to do is care, roll up your sleeves and claim one of society's problems as your own." -- Mr. Bush
"I believe that you are going to be given a great opportunity to change this world of division and divisiveness because it's also a world full of decency and hope." -- Mr. Clinton
The ex-presidents at U. of New Hampshire commencement in Durham, N.H., Saturday, May 19, 2007.
Credit: AP Photo/Jim Cole
B.B. King<br>Brown University
Excerpt: "Someone really loves you / Guess who / Guess who / Someone really cares / Guess who / So open your heart / Oh, then surely you'll see / That the someone (we dedicate this to Brown, too) / Who really loves you / Is me."
Photo: B.B. King sings to the graduates of Brown University during Brown's 239th Commencement in Providence, R.I., Sunday, May 27, 2007.
Credit: AP Photo/Stew Milne
Ben Affleck<br>Falls Church (Va.) High School
Excerpt: "Everything I learned about life that really matters ... I learned from Joe."
Photo: Ben Affleck delivers speech at Falls Church High School Commencement ceremonies in Fairfax, Va., Friday, June 1, 2007. Affleck gave a heartfelt tribute to a graduating student he befriended years ago.
Credit: AP Photo/Gerald Herbert