© Getty Images

Jimmy Carter -

“You can do what you have to do, and sometimes you can do it even better than you think you can.”

© Getty Images

Richard Nixon -

“The finest steel has to go through the hottest fire.”

© Getty Images

Dwight D. Eisenhower -

“What counts is not necessarily the size of the dog in the fight—it’s the size of the fight in the dog.”

© Getty Images

Franklin D. Roosevelt -

 “The only thing we have to fear is fear itself.”

© Getty Images

Ulysses S. Grant -

“In every battle there comes a time when both sides consider themselves beaten; then he who continues the attack wins.”

© Getty Images

Andrew Jackson -

“One man with courage makes a majority.”

© Getty Images

John Quincy Adams -

“Try and fail, but don’t fail to try.”

© Getty Images

Martin Van Buren -

“It is easier to do a job right than to explain why you didn’t.”

© Getty Images

Ronald Reagan -

“There are no great limits to growth because there are no limits of human intelligence, imagination, and wonder.”

© Getty Images

Herbert Hoover -

“Be patient and calm; no one can catch a fish with anger.”

© Getty Images

Warren G. Harding -

“There’s good in everybody. Boost. Don’t knock.”

© Getty Images

Benjamin Harrison -

“Great lives never go out; they go on.”

© Getty Images

John F. Kennedy -

"Ask not what your country can do for you—ask what you can do for your country."

© Getty Images

James Garfield -

“The truth will set you free, but first it will make you miserable.”

© Getty Images

George Washington -

“Associate yourself with men of good quality, if you esteem your own reputation; for ’tis better to be alone than in bad company.”

© Getty Images

Bill Clinton -

“When our memories outweigh our dreams, it is then that we become old.”

© Getty Images

Abraham Lincoln -

“I am a slow walker, but I never walk backwards.”

© Getty Images

Thomas Jefferson -

“On matters of style, swim with the current; on matters of principle, stand like a rock.”

© Getty Images

Theodore Roosevelt -

“Nobody cares how much you know, until they know how much you care.”

© Getty Images

Grover Cleveland -

“Honor lies in honest toil.”

© Getty Images

Calvin Coolidge -

“No person was ever honored for what he received. Honor has been the reward for what he gave.”

© Getty Images

Gerald Ford -

“Tell the truth, work hard, and come to dinner on time.”

© Getty Images

Barack Obama -

"If you’re walking down the right path and you’re willing to keep walking, eventually you’ll make progress.”

© Getty Images

Millard Fillmore -

“An honorable defeat is better than a dishonorable victory.”

© Getty Images

Harry S. Truman -

"It is amazing what you can accomplish if you do not care who gets the credit."

© Getty Images

James Monroe -

“A little flattery will support a man through great fatigue.”

© Getty Images

James Madison -

“The circulation of confidence is better than the circulation of money.”

© Getty Images

James Buchanan -

“The test of leadership is not to put greatness into humanity, but to elicit it, for the greatness is already there.”

© Getty Images

Lyndon B. Johnson -

“Yesterday is not ours to recover, but tomorrow is ours to win or lose.”

© Getty Images

Woodrow Wilson -

“The ear of the leader must ring with the voices of the people.”

© Getty Images

Rutherford B. Hayes -

“Every expert was once a beginner.”

Sources: (Reader's Digest) (Discover Walks) (BrainyQuote)

See also: The most (and least) intelligent US presidents based on their IQ scores

© Getty Images