“Success is not the key to happiness. Happiness is the key to success”

“The only limit to our realization of tomorrow is our doubts of today”

“I put my heart & soul into my work, & have lost my mind in the process.”

“I would like to die on Mars. Just not on impact.”

“Perseverance is the key to unlocking your potential”

“Difficulties break some men but make others”

“He who cannot be a good follower cannot be a good leader.”

“First they ignore you, then they laugh at you, then they fight you, then you win.”

“The wise warrior avoids the battle.”

“Sometimes you just have to ask yourself 'Am I having fun?'”

“Success does not consist in never making mistakes but in never making the same one a second time”

“When your army has crossed the border, you should burn your boats and bridges, in order to...”

“Believe you can and you're halfway there”