source: the 10% number was invented. # As far as the comment that we only use 10% of our brain's potential, as opposed to 10% of a physical part, this is silly.
target: the 10% number was invented. And since A claim is reasonable only if it is founded. As far as the comment that we only use 10% of our brain's potential, as opposed to 10% of a physical part, this is silly.