Test pilots have a litmus test for evaluating problems. When something goes wrong, they ask, "Is this thing still flying?" If the answer is yes, then there's no immediate danger, no need to overreact.
Eventually there are going to be cities in space.
I found I have to stay painting.
It seems farther away now because there are no rockets getting there. Nobody is going.
The moon is very rugged.
We knew it was going to be difficult to get to the moon. We didn't know how difficult.