We could all use a pick-me-up once in a while.

Here are 15 quotes on leadership, work-life balance and your career to help you keep everything in perspective:

1. “Simple can be harder than complex: You have to work hard to get your thinking clean to make it simple.” Steve Jobs

2. “If each of us hires people who are smaller than we are, we shall become a company of dwarfs. But if each of us hires people who are bigger than we are, we shall become a company of giants.” David Ogilvy

3. “The best way out is always through.” Robert Frost

4. “Engage your emotions at work. Your instincts and emotions are there to help you.” Richard Branson

5. “Opportunity is missed by most people because it is dressed in overalls and looks like work.” Thomas Edison

6. “A career is wonderful, but you can't curl up with it on a cold night.” Marilyn Monroe

7. “Far and away the best prize that life offers is the chance to work hard at work worth doing.” Teddy Roosevelt

8. “Success seems to be connected with action. Successful people keep moving. They make mistakes, but they don’t quit.” Conrad Hilton

9. “Nothing is more despicable than respect based on fear.” Albert Camus

10. “Whether you think you can or think you can’t, you’re right.” Henry Ford

11. “If you cannot work with love but only with distaste, it is better that you should leave your work.” Khalil Gibran

12. “Laziness may appear attractive, but work gives satisfaction.” Anne Frank

13. “Let every man be respected as an individual and no man idolised.” Albert Einstein

14. “There are two kinds of people, those who do the work and those who take the credit. Try to be in the first group; there is less competition there.” Indira Gandhi

15. “Intelligence without ambition is a bird without wings.” Salvador Dali