Science says highly intelligent people tend to be more thoughtful, generous, and kind

But you can also be smart enough to be generous, thoughtful, and kind. You can build people up instead of tearing them down.
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People Who Have Superior Intelligence & Think At A Genius Level Usually Have These 7 Rare Traits

People who have superior intelligence and think at a genius level usually possess rare traits that give them a major edge.
AOL

15 Subtle Signs of Intelligence That People Notice Instantly

Some people don't need a stack of diplomas or a genius-level IQ to come across as incredibly sharp. Intelligence has a way of sneaking into everyday interactions—through quick wit, thoughtful pauses, ...
VegOut Magazine

8 childhood behaviors that were called "bad manners" but were actually signs of intelligence

Some kids weren’t rude, they were curious, sharp, and hard to satisfy with simple answers. What adults labeled as “bad ...