Anyone who sits on top of the largest hydrogen-oxygen fueled system in the world, knowing they’re going to light the bottom, and doesn’t get a little worried, does not fully understand the situation.

More quotes by John Young

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"If you want to see an endangered species, get up and look in the mirror."

- John Young

Awareness

"The greatest enemy of progress is the illusion of knowledge."

- John Young

Knowledge

More Courage Quotes

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"The greatest strength lies in vulnerability."

- Beauty and the Beast

Courage

"Courage is resistance to fear, mastery of fear, not absence of fear."

- Mark Twain

Courage

"I am learning every day to allow the space between where I am and where I want to be to inspire me and not terrify me."

- Tracee Ellis Ross

Courage

"If your dreams don’t scare you, they’re not big enough."

- Ellen Johnson Sirleaf

Courage

"Courage, dear heart."

- C.S. Lewis

Courage