That sounds impossible," said the hatter. "We absolutely must give it a try!

Brave, impossible Alice. Stop being so sensible.

For you see, so many out-of-the-way things had happened lately, that Alice had begun to think that very few things indeed were really impossible.

Don't be told something is impossible. There's always a way.

Often, what seems like an impossible climb is just a staircase without the steps drawn in.

The impossible becomes possible if only your mind believes it.