If you could improve just one quality about the human race...

[Saulkar]

If I had to choose just one, I'm going for empathy.

Beat me to the punch. The moment I saw the title the first thing that came instantl to my mindy was empathy.

 

[The Funslinger]

I'd give every human being a tangible internal monologue. In particular that it reads back to them everything they write down. Idiotic facebook comments would be gone forever.

Or literal shoulder devil and angels. That'd be sweet.