Here are some short powerful quotes that I found:

- "The only way to do great work is to love what you do." - Steve Jobs
- "Believe you can and you're halfway there." - Theodore Roosevelt
- "The best way out is always through." - Robert Frost
- "You miss 100% of the shots you don't take." - Wayne Gretzky
- "If you want to lift yourself up, lift up someone else." - Booker T. Washington

I hope these quotes help you. Let me know if there's anything else I can help you with.