[Shryke]

who use less than 10% of their brains to understand very nearly nothing

I hate to break this to you, but the idea that we only use 10% of our brain is an urban legend.

[UseYourHead]

There is a greater the 90% chance your wrong.

[Modernman]

I hate to break this to you, but the idea that we only use 10% of our brain is an urban legend.

I've heard this explained that we only really understand what 10% of our brain is for, but that doesn't mean we don't use the other 90%.