Lots of things take time, and time was Momo's only form of wealth.

You see, Momo... it's like this. Sometimes, when you've a very long street ahead of you, you think how terribly long it is and feel sure you'll never get it swept... And then you hurry. You work faster and faster, and every time you look up there seems to be just as much to sweep as before, and you try even harder…, and you panic, and in the end you're out of breath and have to stop-and still the street stretches away in from of you.

Life holds one great but quite commonplace mystery. Though shared by each of us and known to all, seldom rates a second thought. That mystery, which most of us take for granted and never think twice about, is time.

Strange as it may seem, horror loses its power to frighten when repeated too often.

What will happen when my heart stops beating?" Momo asked. When that moment comes," said the professor, "time will stop for you as well. Or rather, you will retrace your steps through time, through all the days and nights, myths and years of your life, until you go out through the great, round, silver gate you entered by." What will I find on the other side?" The home of the music you've sometimes faintly heard in the distance, but by then you'll be part of it. You yourself will be a note in its mighty harmonies.

Time is life itself, and life resides in the human heart.

Once someone dreams a dream, it can't just drop out of existence. But if the dreamer can't remember it, what becomes of it? It lives on in Fantastica, deep under earth. There are forgotten dreams stored in many layers. The deeper one digs, the closer they are. All Fantastica rests on a foundation of forgotten dreams.