Water. Meaning.

Flaming swords and rivers are no threat to one another

if meaning is of any importance,

and yes - yes it is. 

In some ways, it is the only thing of importance.

Although (and perhaps because) it is easily blown away without a trace.

The most important thing we can synthesize from the blocks we hack out of our minecraft-like world .. is meaning.

What art can one learn to craft from a river (or rivers) if one learns to treat time as a medium?