It was only when God paired him up with his extroverted brother Aaron that Moses agreed to take on the assignment. Moses would be the speechwriter, t… - Susan Cain

you once said to would like to sit beside me while I write. Listen in that case I could not write at all. For writing means revealing one self to excess; that utmost of self-revelation and surrender, in which a human being, when involved with others, would feel he was losing himself, and from which, therefore, he will always shrink as long as he is in his right mind...That is why one can never be alone enough when one writes, why there can never be enough silence around one when one writes, why even night is not night enough.

Highly sensitive people tend to be keen observers who look before they leap. They arrange their lives in ways that limit surprises. They're often sensitive to sights, sounds, smells, pain, coffee. They have difficulty when being observed (at work, say, or performing at a music recital) or judged for general worthiness (dating, job interviews). But there are new insights. The highly sensitive tend to be philosophical or spiritual in their orientation, rather than materialistic or hedonistic. They dislike small talk. They often describe themselves as creative or intuitive (just as Aron's husband had described her). They dream vividly, and can often recall their dreams the next day. They love music, nature, art. They feel exceptionally strong emotions -sometimes acute bouts of joy, but also sorrow, melancholy, and fear. Highly sensitive people also process information about their environments -both physical and emotional -unusually deeply. They tend to notice subtleties that others miss - another person's shift in mood, say, or a lightbulb burning a touch too brightly.

We don’t ask why God chose as his prophet a stutterer with a public speaking phobia. But we should. The book of Exodus is short on explication, but its stories suggest that introversion plays yin to the yang of extroversion; that the medium is not always the message; and that people followed Moses because his words were thoughtful, not because he spoke them well.