[aristus]

There are only two hard problems in economics: cash invalidation and naming things.

[baldfat]

naming things is difficult period. It is under valued but naming things is so important in many areas of life. (This is the reason why there are so many Jr.?)

There are only two hard things in Computer Science: cache invalidation and naming things. -- Phil Karlton

[mikeash]

The CS quote thing is good but it's a little off. There are actually two hard things in CS: cache invalidation, naming, and fencepost errors.

[toothbrush]

I LOLed. +1