"Life is like riding a bicycle. To keep your balance, you must keep moving."
"Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work. And the only way to do great work is to love what you do."
As "The happiness of your life depends upon the quality of your thoughts."
— Marcus Aurelius
Another favorite: "Be the change that you wish to see in the world."
— Mahatma Gandhi
The term quote refers to the repetition or citation of someone else's statement or thoughts.