The only thing we can really be certain about is that there is very little certainty in the world. Braving uncertainty is one of the things at the core of who Fabric is.  

Sure Not Sure was written by Laura Lou & Chris Tripolino and they were joined in the live performance by Willie Harbert, Kjell Nafstad, Darren Selberg, and Dan Miller.

The TED Talk referenced by Isaac Lidsky can be found HERE.

And Cara E Yar Khan's TED talk is HERE.EPISODE PAGE