Julie Andrews

 Perseverance is failing 19 times and succeeding the 20th.

- Julie Andrews

Denis Waitley

 Learn from the past, set vivid, detailed goals for the future, and live in the only moment of time over which you have any control: now.

- Denis Waitley

Ayn Rand

 A creative man is motivated by the desire to achieve, not by the desire to beat others.

- Ayn Rand

Sophocles

 Always desire to learn something useful.

- Sophocles

Confucius

 By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest.

- Confucius

Robert Louis Stevenson

 To travel hopefully is a better thing than to arrive.

- Robert Louis Stevenson

Ambrose Bierce

 History is an account, mostly false, of events, mostly unimportant, which are brought about by rulers, mostly knaves, and soldiers, mostly fools. 

- Ambrose Bierce

John Kennedy

 With all due respect, I am against dumb. 

- John Kennedy

Stella McCartney

 Everyone can do simple things to make a difference, and every little bit really does count. 

- Stella McCartney

Heraclitus

 Man is most nearly himself when he achieves the seriousness of a child at play. 

- Heraclitus

Bob Newhart

 I really don't know what makes a comedian. I think it's a family background and environment. Yet if you put the same ingredients in another person, he may never utter a funny line.

- Bob Newhart

Chuck Yeager

 If you can walk away from a landing, it's a good landing. If you use the airplane the next day, it's an outstanding landing.

- Chuck Yeager

Jeff Bezos

What's dangerous is not to evolve.

- Jeff Bezos

Amelia Earhart

Adventure is worthwhile in itself.

- Amelia Earhart

Aristotle

Change in all things is sweet.

- Aristotle