Inspiring quotes of life, liberty and pursuit of happiness from US presidents

In honor of America's 238th birthday, Business Insider has collected the finest aphorisms to come from the Oval Office.

They include life lessons from George Washington, leadership advice from Thomas Jefferson, and reflections on success from Abraham Lincoln.

George Washington (1789-1797)

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

John Adams (1797-1801)

"You will ever remember that all the end of study is to make you a good man and a useful citizen."
 

Thomas Jefferson (1801-1809)

"When angry, count ten, before you speak; if very angry, a hundred."
 

James Madison (1809-1817)

"The advancement and diffusion of knowledge is the only guardian of true liberty."
 

John Quincy Adams (1825-1829)

"If your actions inspire others to dream more, learn more, do more and become more, you are a leader."
 

Andrew Jackson (1829-1837)
 
"Take time to deliberate; but when the time for action arrives, stop thinking and go in."
 

Abraham Lincoln (1861-1865) 

"Always bear in mind that your own resolution to succeed is more important than any other one thing."

Woodrow Wilson(1913-1921)

"One cool judgment is worth a thousand hasty counsels. The thing to be supplied is light, not heat."

Franklin D Rousvelt (1933-1945)

"Yours is not the task of making your way in the world, but the task of remaking the world which you will find before you."

John F Kennedy (1961-1963)

"Life is never easy. There is work to be done and obligations to be met — obligations to truth, to justice, and to liberty."
 

Ronald Raegan (1981-1989)

"The future doesn't belong to the fainthearted; it belongs to the brave."
 

George H W Bush (1989-1993)

"No problem of human making is too great to be overcome by human ingenuity, human energy, and the untiring hope of the human spirit."
 

Bill Clinton (1993-2001)

"If you live long enough, you'll make mistakes. But if you learn from them, you'll be a better person. It's how you handle adversity, not how it affects you. The main thing is never quit, never quit, never quit."
 

Barack Obama (2009-present)

"One voice can change a room. And if one voice can change a room, then it can change a city. And if it can change a city, it can change a state. And if it can change a state, it can change a nation, and if it can change a nation, it can change the world. Your voice can change the world."