Irrational hardware vs. rational software
I am passionately fond of the idea of creating an “Art of Rationality” sensibility/school as described in the [A Sense That More is Possible](http://lesswrong.com/lw/2c/a_sense_that_more_is_possible/) article. The obstacle I see as most formidable in such an undertaking is the fact that, no matter how much “rational software” our brains absorb, we...
But is being an effective human all that "rational".
When I look at humans who are hugely successful, I do not see rationality as their guiding principal.