A lot of times in life we find ourselves with the glass half empty view of life. Times get tough and it seems like there's nothing we can do to make the situation better. I've found that the best way to work through a tough time or to boost a bad mood is by reading some motivational quotes. So, here's just a few of my favorite quotes that have time and time again saved me from a bad mood and turned by day around.

1. "Success usually comes to those who are too busy to be looking for it."

- Henry David Thoreau

2. "Success is walking from failure to failure with no loss of enthusiasm."

- Winston Churchill

3. "Great minds discuss ideas; average minds discuss events; small minds discuss people."

- Eleanor Roosevelt

4. "I find that the harder I work, the more luck I seem to have."

- Thomas Jefferson

5. "I don't know the key to success, but the key to failure is trying to please everyone."

- Bill Cosby

6. "Many of life's failures are people who did not realize how close they were to success when they gave up."

- Thomas A. Edison

7. "Success is most often achieved by those who don't know that failure is inevitable."

- Coco Chanel

8. "Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning."

- Albert Einstein

9. "It does not matter how slowly you go, so long as you do not stop."

- Confucius

10. "Don't cry because it's over, smile because it happened."

- Dr. Seuss

11. "The way I see it, if you want the rainbow, you gotta put up with the rain."

- Dolly Parton

12. "As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others."

- Audrey Hepburn

13. "If your actions inspire others to dream more, learn more, do more, and become more, you are a leader."

- John Quincy Adams

14. "I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel."

- Maya Angelou

15. "The only way to do great work is to love what you do."

- Steve Jobs