Only those who dare to fail greatly can ever achieve greatly.

– Robert F. Kennedy

The three great essentials to achieve anything worthwhile are, first, hard work; second, stick-to-itiveness; third, common sense.

– Thomas Edison

Think of yourself as on the threshold of unparalleled success. A whole, clear, glorious life lies before you. Achieve! Achieve! 

– Andrew Carnegie

The biggest decision you can make about your goals is what you are willing to give up in order to achieve them.

- Unknown