Well, I really hemmed and hawed over this one.....
I think if one is genuinely intelligent, they won't have to "act", it will come naturally.
If one can only "act" intelligently, they will, eventually, be found-out.
I think it's better to BE intelligent----that way, it wouldn't matter how one "acted", someone else with keen senses, would know the truth; and, I would much rather know someone with keen senses than to know someone who, with only one glance, or upon hearing only one word, emotionally reacted and discounted someone.
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White female; age 59; diagnosed Aspie.
I use caps for emphasis----I'm NOT angry or shouting. I use caps like others use italics, underline, or bold.
"What we know is a drop; what we don't know, is an ocean." (Sir Isaac Newton)