The Whole Thing That Makes A Mathematician’s

We Should Forget About Small Efficiencies, Say About 97% Of The Time: Premature Optimization Is The Root Of All Evil. Yet We Should Not Pass Up Our Opportunities In That Critical 3%

The Important Thing, Once You Have Enough To Eat And A Nice House, Is What You Can Do For Others, What You Can Contribute To The Enterprise As A Whole.

Premature Optimization Is The Root Of All Evil.

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.

... The Designer Of A New System Must Not Only Be The Implementor And The First Large-scale User; The Designer Should Also Write The First User Manual. ... If I Had Not Participated Fully In All These Activities, Literally Hundreds Of Improvements Would Never Have Been Made, Because I Would Never Have Thought Of Them Or Perceived Why They Were Important.