570. Achievers are often described as lucky. But what about the years of toil?

- Sujit Mukerji

569. Keep your eyes on the stars, and your feet on the ground.

- Theodore Roosevelt

568. Don't watch the clock; do what it does. Keep going.

- Sam Levenson

567. A creative man is motivated by the desire to achieve, not by the desire to beat others.

- Ayn Rand

566. Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.

- Thomas A. Edison

565. Once you replace negative thoughts with positive ones, you'll start having positive results.

- Willie Nelson

564. Yesterday is not ours to recover, but tomorrow is ours to win or lose.

- Lyndon B. Johnson

563. Your attitude is like a box of crayons that color your world. Constantly color your picture gray, and your picture will always be bleak. Try adding some bright colors to the picture by including humor, and your picture begins to lighten up.

- Allen Klein

562. You have to learn the rules of the game. And then you have to play better than anyone else.

- Albert Einstein

561. The will to win, the desire to succeed, the urge to reach your full potential... these are the keys that will unlock the door to personal excellence.

- Confucius

560.  The rising sun is admired and even worshipped by some but the setting sun may, at the most, be admired but never worshipped.

- Sujit Mukerji

559. A man with outward courage dares to die; a man with inner courage dares to live.

- Lao Tzu

558. Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are. 

- Erick S. Gray

557. Anything with scales counts as a fish.

556. Even monkeys fall out of trees.

555. No one goes through life unscathed.

554. Nothing is black or white.

553. The price of your hat is not always the measure of your brain.

552. Nowadays people know the price of everything and the value of nothing.

- Oscar Wilde

551. Search others for their virtues, thyself for thy vices.

- Ben Franklin

550. It is a tragedy when care for closer ties is thrown to the winds if and when there is a clash of interest.

- Sujit Mukerji

549. Life is a journey, not a destination.

548. Even the best laid plans go awry.

547. The best way to predict the future is to create it.

546. Be miserable. Or motivate yourself. Whatever has to be done, it’s always your choice.

- Wayne Dyer

545.  It is your responsibility to make your world work for you.

- Ashok Subramanian

544. I’m not telling you it’s going to be easy – I’m telling you it’s going to be worth it.

- Art Williams

543. Never trouble another for what you can do for yourself.

- Thomas Jefferson

542. Life is not so important as the duties of life.

- John Randolph

541. Failure is simply the opportunity to begin again, this time more intelligently.

- Henry Ford