“Everything is worthwhile if the soul is not small.”

“You are never too old to set another goal or to dream a new dream”

“Going in one more round when you don’t think you can, that’s what makes all the differ...”

“It always seems impossible until it's done.”

“Vision without execution is just hallucination.”

“If you're not stubborn, you'll give up on experiments too soon.”

“The only man who never makes mistakes is the man who never does anything.”

“You are what you believe yourself to be.”

“The opposite of love is not hate, it's indifference. The opposite of art is not ugliness, ...”

“Life always waits for some crisis to occur before revealing itself at its most brilliant.”

“The greatest victory is that which requires no battle.”

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

“There is just one thing that makes your dream become impossible: the fear of failure.”