All religions have periods in their history which are looked back to with retrospective fear and trembling as eras of persecution, and each religion has its own book of martyrs.
If we practiced medicine like we practice education, we'd look for the liver on the right side and left side in alternate years.
It's that one thing that you're passionate about, that you end up developing tunnel vision for and everything else tends to fall by the wayside. Passion is appealing and universal.

