Here are 15 motivational quotes:

1. “The only way to do great work is to love what you do.” 
2. “The future belongs to those who believe in the beauty of their dreams.” 
3. “Don't watch the clock; do what it does. Keep going.” 
4. “Keep your face always toward the sunshine—and shadows will fall behind you.” 
5. “It does not matter how slowly you go as long as you do not stop.” 
6. “The secret of getting ahead is getting started.” 
7. “You are never too old to set another goal or to dream a new dream.” 
8. “Believe you can and you're halfway there.” 
9. “Act as if what you do makes a difference. It does.” 
10. “Success is not final, failure is not fatal: It is the courage to continue that counts.” 
11. “What you get by achieving your goals is not as important as what you become by achieving your goals.” 
12. “To accomplish great things, we must not only act but also dream, not only plan but also believe.” 
13. “The only limit to our realization of tomorrow will be our doubts of today.” 
14. “Don't let yesterday take up too much of today.” 
15. “You miss 100% of the shots you don’t take.”