"All successful people have a goal. No one can get anywhere unless he knows where he wants to go."

"Diamonds are only lumps of coal that stuck to their jobs."

"We are continually faced by great opportunities brilliantly disguised as insoluble problems."

"You're going to make mistakes in life. It's what you do after the mistakes that counts."

"Don't judge each day by the harvest you reap, but by the seeds you plant."

"Courage is the human virtue that counts most – courage to act on limited knowledge and insufficient evidence. That is all any of us have."

"There's a way to do it better -- find it."

"Try not to become a man of success but rather try to become a man of value."

"Continuous effort -- not strength or intelligence -- is the key to unlocking our potential."

"Perseverance is failing nineteen times and succeeding the twentieth."