John McCain

"Courage is the enforcing virtue, the one that makes possible all the other virtues common to exceptional leaders: honesty, integrity, confidence, compassion, and humility."

John McCain (1936 - )

Albert Einstein

"Logic will get you from A to B. Imagination will take you everywhere."

Albert Einstein (1879-1955)

Aldous Huxley

"There's only one corner of the universe you can be certain of improving, and that's your own self."

Aldous Huxley (1894-1963)

Buddha

"What we think, we become."

Buddha

Yoda

"Do or do not, there is no try."

Yoda
Jedi master, from the "Star Wars" series

Benjamin Franklin

"Energy and persistence conquer all things."

Benjamin Franklin (1706-1790)

Donald Trump

"I like thinking big... if you're going to be thinking anyway, you might as well think big. "

Donald Trump (1946 - )

Thomas Henry Huxley

"Act decidedly and take the consequences. No good is ever done by hesitation."

Thomas Henry Huxley (1825-1895)

Jeff Bezos

"Optimism is essential."

Jeff Bezos (1964 - )

Helen Hayes

"If you rest, you rust."

Helen Hayes (1900-1993)

Thomas Edison

"There ain't no rules around here. We're trying to accomplish something."

Thomas Edison (1847-1931)

Vincent van Gogh

"The fishermen know that the sea is dangerous and the storm terrible, but they have never found these dangers sufficient reason for remaining ashore."

Vincent van Gogh (1853-1890)

Henry Royce

"Strive for perfection in everything. Take the best that exists and make it better. If it doesn't exist, create it. Accept nothing nearly right or good enough."

Henry Royce (1863-1933)

Thomas Jefferson

"Far and away the best prize that life offers is the chance to work hard at something worth doing."

Thomas Jefferson (1743-1826)

Doris Roberts

"I never give up, I never give in, and I don't take "no" for an answer."

Doris Roberts (1929 - )