Here are some simple short quotes that I found:

- "Every moment is a fresh beginning." - T.S Eliot
- "Never regret anything that made you smile." - Mark Twain
- "Dream as if you’ll live forever, live as if you’ll die today." - James Dean
- "All limitations are self-imposed." - Oliver Wendell Holmes
- "Life is like riding a bicycle. To keep your balance, you must keep moving." - Albert Einstein

I hope these quotes inspire you! Let me know if you need anything else.