I feel at home up in the air, just like sailors do at sea and climbers do in the mountains.

The only limit is the one you set yourself.

That spin became so violent, it was hard to know how to get out of it. I was able to get it under control and break the speed of sound...I could feel myself break the speed of sound. I could feel the air building up and then I hit it.

When I was standing there on top of the world, you become so humble, you do not think about breaking records anymore, you do not think about gaining scientific data. The only thing you want is to come back alive

I always feel the danger because you might always be subject to an unexpected or emergency event.

Aviation - and space travel, in particular - have always been especially captivating.

We want to push mankind's boundaries out a little further.