They proudly teach their children, tomorrow's know-it-alls, to be self-assured, self-directed, self-sustaining; to need nothing from anyone.
When particularly pleased with themselves, know-it-alls may gush, "No one could touch me.
A sound strategy is to encourage know-it-alls to consider alternative viewpoints while carefully avoiding any direct challenges to their expertise.
According to the survey, more than 60 per cent of people love to see know-it-alls come unstuck by being proved wrong.
SIMON COWELL is rarely lost for words and now he's been voted the nation's biggest know-it-all.
But many turf know-it-alls
, who'd closely studied The Derby's sectional times, argued until they were blue in the face that the Epsom form would be upheld.
30pm with the next collection of know-it-alls
who twitter on about tackling and scoring all day long.
Whether you need to sell a house or buy a facelift, raise a child or bake a cake, the TV channels are bursting with know-it-alls
riding to the rescue.
I wish these know-it-alls
would understand that not all college grads have a choice of where they want to work.
Of course, handing out their 20 top tips would only have filled about 10 minutes of screen time, so they had to invite all those irritating telly designers (Linda Barker, you know who you are) and housebuying/selling know-it-alls
clogging up the schedules to stick their tuppence worth in, too.
PERHAPS in the light of reports that girls as young as 14 are seeking fertility treatment, all those pompous know-it-alls
, who have been shouting about the need for more sex education in schools, might button their lips.
This eureka moment helped me know that I personally shouldn't be a know-it-all
, and I will definitely encourage others to follow suit.