Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction.

Courage is contagious. When a brave man takes a stand the spines of others are often stiffened.

Failure is unimportant. It takes courage to make a fool of yourself.

Courage is what it takes to stand up and speak courage is also what it takes to sit down and listen.

I jumped off a cliff backwards for 'I Am Number Four ' which was pretty cool. I'd never done that before. It took seven takes from different angles and luckily there were no injuries. I came close though. My head nearly hit the rock at one point.

People think computers will keep them from making mistakes. They're wrong. With computers you make mistakes faster.

Eventually it is found out but it takes time especially in the conditions when communication is difficult when the enemy is making it extremely awkward for information to come out to go.

Feelings of worth can flourish only in an atmosphere where individual differences are appreciated mistakes are tolerated communication is open and rules are flexible - the kind of atmosphere that is found in a nurturing family.

I wouldn't change one thing about my professional life and I make it a point not to dwell on my mistakes.

Geological change usually takes thousands of years to happen but we are seeing the climate changing not just in our lifetimes but also year by year.