The biggest idiot you will meet in life will be the person that thinks they know it all.
Keep learning; don't be arrogant by assuming that you know it all, that you have a monopoly on the truth; always assume that you can learn something from someone else.
There is nothing wrong with making mistakes and not having all the answers, so long as we are willing to admit this and strive for personal betterment. Those who think they know it all have no way of finding out that they don't.
Always be suspicious of those who pretend to know it all, claim their way is the best way and are willing to force their way on the rest of us.
A know-it-all is a person who knows everything except for how annoying he is.
Those who think they know it all have no way of finding out they don't.
It's what you learn after you know it all that counts.
The dumbest people I know are those who know it all.
If you think you know it all, you are not listening.
Watch, listen and learn. You can't know it all yourself. Anyone who thinks they do is destined for mediocrity.
What I learned is that it's arrogant to be certain of anything. The world is a complex place and only idiots or assholes think they know it all.
You can't know it all. No matter how smart you are, no matter how comprehensive your education, no matter how wide ranging your experience, there is simply no way to acquire all the wisdom you need to make your business thrive.
The only fool bigger than the person who knows it all is the person who argues with him.
The smartest thing is knowing that I don't know it all and that there's more to learn.
When you think you know it all, there's not much that you'll learn.
I think it's noteworthy that the Almighty didn't act high and mighty. The Holy One wasn't holier-than-thou. The One who knew it all wasn't a know-it-all. The One who made the stars didn't keep his head in them. The One who owns all the stuff of earth never strutted it.
The biggest fool is the one who thinks he knows it all.
You won't learn if you think you already know everything.
An important mark of a good leader [is] to know you don’t know it all and never will.
Its about continuing to learn and being open-minded, don't ever think you know it all.
The less people know, the more stubbornly they know it.
What is really important is what you learn after thinking you know it all.
The only things worth learning are the things you learn after you know it all.
If you think you know it all, you are missing something.
If you think you know it all, you really know nothing.
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