Challenge

"I have brought you to the gates of Rome; now it is for you to enter."

"We will either find a way or make one."

"The hardest thing to do is something that is close to nothing."

"All things excellent are as difficult as they are rare."

"Life begins at the end of your comfort zone."

"It's not the mountain we conquer, but ourselves."

"Without a struggle, there can be no progress."

"The rarest of human qualities is consistency."

"You have to challenge yourself and push the limits of your comfort zone."

"If you want to be the best, you have to constantly be challenging yourself, raising the bar, pushing the limits of what you can do."

"Make no small plans, for they have no power to stir men’s blood."

"Entrepreneurs are simply those who understand that there is little difference between obstacle and opportunity and are able to turn both to their advantage."

"To be always fortunate, and to pass through life without a twinge of concern? Neither of these alternatives is desirable."

"The disease which inflicts bureaucracy and what they usually die from is routine."

"The hardest thing to learn in life is which bridge to cross and which to burn."

"Do the hard jobs first. The easy jobs will take care of themselves."

"If it's endurable, then endure it. Stop complaining."

"The obstacle is the way."

"Normality is a paved road: It's comfortable to walk, but no flowers grow."

"I don't have time to be brought down, I've got too many things to do."

"I've had to learn to fight all my life - got to learn to keep smiling. If you smile things will work out."

"I am always doing that which I cannot do, in order that I may learn how to do it."

"One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity."

"You must do the things you think you cannot do."