>i understand gravity completely perfectly
>i understand the way the whole universe works
>i'm so smart, i'm like a god or something
>also i don't believe in gods
>galactic rotation curves? no i can't predict those using my "elegant" gravity theory
>i'll just attach a cumbersome dark matter epicycle to it
>all fixed, now i don't have to acknowledge that my perfect "elegant" gravity theory doesn't work when applied at larger scales