Kevin Tian had this gmail chat status: “insights always seem so obvious in retrospect”. I was intrigued and decided to inquire about the nature of this statement. Knowing Kevin, I should have expected that it be related to math; nonetheless, it was still funny.

**me**: what kind of saying is that?

**Kevin**: after i solve the usatst #4

i’m like

wow

basically there’s a spiral similarity

and then you do this reflection

the spiral similarity is pretty obvious

but the reflection is like

dang

yeah i didnt come up with that on my own

i had a hint

**me**: wow

your explanation sounds hilarious

**Kevin**: your face sounds hilarious

darn you should help me with this problem

given an isomorphism f on a finite tree T f:T->T show that there either exists a fixed point or there exists two vertices a and b originally connected such that f(a) = b and f(b) = a

**me**: yeah i’m lost

**Kevin**: same

apparently there is a topological solution

but i’m trying to find one on my own

This kid (who was a sophomore in high school at the time) is going to solve the universe one day.

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