What is logical? What do you think of it?

Question

Do you believe it's what keeps people from portraying themselves as crazy?

Answer 1

Logic is a means of good argumentation.  

Answer 2

Do you mean, What is logic?   Bottom line: it's a thinking tool.

http://en.wikipedia.org/wiki/Logic

Answer 3

"Portraying themselves"???

A capacity to react logically to the real world around you is what separates "smart " from "stupid".

The capacity to accurately perceive the real world around you is what

separates "normal" from "crazy".

Lack of logic in your actions can mean either "stupid' or "crazy".

One must look carefully to tell the difference.