"It's a brilliant surface in that sunlight. The horizon seems quite close to you because
the curvature is so much more pronounced than here on earth. It's an interesting place to be.
I recommend it."
-Neil Armstrong

1. (Lit.) appearing at the boundary between the earth and the sky.

2. (Fig.) most likely to appear or happen soon.

"The manager has his eye on the bottom line; the leader has his eye on the horizon."
-Warren G. Bennis