“The [stress response] system has been serving vertebrates, doing a lot of help for them for an awful long time, and it’s only been a very recent modification to instead secrete [cortisol] in response to thinking about taxes.” —Robert Sapolsky
“If you’re not challenging yourself, you’re missing out on the big piece of the puzzle, because you’re never going to get the results you’re looking for.” —Mark Bell
I can’t believe I just found about the Dunning-Kruger effect. In a nutshell, it’s the cognitive bias of illusory superiority that comes from our inability to recognize our lack of ability. It might actually explain much of the Twittersphere.