Authors:

I think most astronauts are not risk takers. We take calculated risks for something that we think is worthwhile.

"NASA Astronaut Discusses Gravity and the Dangers of Spacewalking". Interview with Alejandro Rojas, www.huffingtonpost.com. October 3, 2013.
I think most astronauts are not risk takers. We take calculated risks for something that we think is worthwhile.