1. Enthusiasm is the motive force of personality. -Carnegie

2. Without enthusiasm, there will be no progress in the world. -Woodrow Wilson

3. If you want to be a force in the crowd, you need to cultivate enthusiasm. -Jonathan Oden Amor

4. People who are enthusiastic about their work have unlimited power. -William Philpo

5. A person with average ability but enthusiasm can often surpass a person with strong ability but no enthusiasm. -Friedrich Williamson