Citações de frases motivacionais em inglês com autor

1. "The only way to achieve the impossible is to believe it is possible." - Charles Kingsleigh

2. "Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful." - Albert Schweitzer

3. "Believe you can and you're halfway there." - Theodore Roosevelt

4. "The only limit to our realization of tomorrow will be our doubts of today." - Franklin D. Roosevelt

5. "Don't watch the clock; do what it does. Keep going." - Sam Levenson