We can be blind to the obvious, and we are also blind to our blindness.

Psychologists
Daniel Kahneman
Israeli-American psychologist (1934-2024). With Amos Tversky founded the heuristics-and-biases program and prospect theory, won the 2002 Nobel in Economics, and popularized dual-process thought in Thinking Fast and Slow.
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Daniel Kahneman's Other Quotes
Nothing in life is as important as you think it is when you are thinking about it.
A reliable way to make people believe in falsehoods is frequent repetition, because familiarity is not easily distinguished from truth.
Losses loom larger than gains.
Wherever there is judgment, there is noise — and more of it than you think.
Related Quotes
To a man with a hammer, everything looks like a nail.
-- Charlie Munger
The problem with experts is that they do not know what they do not know.
-- Nassim Nicholas Taleb
If the only tool you have is a hammer, it is tempting to treat everything as if it were a nail.
-- Abraham Maslow
Nothing in life is as important as you think it is when you are thinking about it.
-- Daniel Kahneman
A reliable way to make people believe in falsehoods is frequent repetition, because familiarity is not easily distinguished from truth.
-- Daniel Kahneman
In the last analysis, we see only what we are ready to see, what we have been taught to see. We eliminate and ignore everything that is not a part of our prejudices.
-- Jean-Martin Charcot