..you have to remember that our brains are still basically suited for flinging poo at each other out of trees. And just because you have all the pieces in front of you doesn’t mean they’ll necessarily fit the outcome.

DNA was a genius.
edit : no, this is not on my leg. please see the comments if you haven’t read the entire H2G2 series and so don’t get the reference

We’re all just winging it, all the time, no matter how well-laid you think your plans are (though they certainly do help). Try to be the kind of person who’s ok with that.