I am hiring someone for a job. My top two candidates are nearly identical. When I way the weaknesses and strengths of one candidate against the weaknesses and strengths of another, they are perfectly equal. There's a paradox here. If I am a philosopher and use reason and logic to answer problems, what do I do when all my analytic skills bring me to a point where it goes no further? Which candidate does a philosopher choose? Doesn't this show a limit of our own ability to reason?