Luckily, unreasonable expectations go hand in hand with naive young scientists. The more naive the better - otherwise we would never have the audacity to try and build a 22,000-mile-high space elevator or some sprawling underwater hotel.
The most successful people in this world recognize that taking chances to get what they want is much more productive than sitting around being too scared to take a shot.
Courage multiplies the chances of success by sometimes making opportunities, and always availing itself of them; and in this sense Fortune may be said to favor fools by those who, however prudent in their opinion, are deficient in valor and enterprise.
No noble thing can be done without risks.
Only she who attempts the absurd can achieve the impossible.
I get one shot at life, and I can say that I've lived a crazy one, and I've pushed the limit almost at every turn, and I'm super proud of that.
Dare to do things worthy of imprisonment if you mean to be of consequence.
I love anybody who has convictions enough to make mistakes because only people who make mistakes get into enough trouble to be called drama, I think.
Everything was so new - the whole idea of going into space was new and daring. There were no textbooks, so we had to write them.
I made a boy's mistake, common enough, of thinking that real life was knowing many things and many people, living dangerously in faraway places, crossing the sea, or starting a power company on the Columbia River, a steamship line in Bolivia.
My nature is that I have to excite myself with a big challenge.
Without danger I cannot be great. That is how I pay for Abel's blood. Danger and fear follow my steps everywhere. Without them courage would have no sense. And it is courage, courage, courage that raises the blood of life to crimson splendor.
I have instinctually thought I could do things in my life, and I followed that up by sometimes putting everything I have at risk - my money, my house - to make a movie.
Without courage we will simply accumulate a collection of good ideas and regrets.
A chasm reminds us that there is a fine line between bravery and idiocy.
I have always been drawn to male-dominated industries and adrenaline-filled pursuits.
I tell a lot of young performers, 'Go get in trouble. Go commit yourself to something you're not sure you can do.' And I followed my own advice.
The impossible missions are the only ones which succeed.
Men that hazard all Do it in hope of fair advantages: A golden mind stoops not to shows of dross.
