The best: compassion and intelligence. The worst: hate and destructiveness.
I would say it's best attribute would be curiosity. The constant need to learn more and push farther. The worst attribute would be the amazing cruelty that people throughout history seem happy to inflict on others.
Its best is its brain and its worst is its brain.
You took my response. Damn your brain! Also, nice brain you got there
lol sorry its as long as its tall