People buy products to fill up a sense of lack. Hence, the success of the 'You Deserve it/Because You Are Worth it' ad angle.
"Obstacles are those frightening things you see when you take you eyes off your goal." — Henry James
"When you innovate, you've got to be prepared for everyone telling you you're nuts." - Larry Ellison
"People who say it cannot be done should not interrupt those who are doing it." - George Bernard Shaw
"It’s not the daily increase but daily decrease. Hack away at the unessential." - Bruce Lee