In fact, my main conclusion after spending ten years of my life working on the TEX project is that software is hard. It's harder than anything else I've ever had to do.


Knuth, Donald (2002). "All Questions Answered" (PDF). Notices of the AMS 49 (3): 320.


In fact, my main conclusion after spending ten years of my life working on the TEX project is that software is hard. It's harder than anything else...

In fact, my main conclusion after spending ten years of my life working on the TEX project is that software is hard. It's harder than anything else...

In fact, my main conclusion after spending ten years of my life working on the TEX project is that software is hard. It's harder than anything else...

In fact, my main conclusion after spending ten years of my life working on the TEX project is that software is hard. It's harder than anything else...