“The essence of a software entity is a construct of interlocking concepts. I believe the hard part of building software to be the specification, design, and testing of this conceptual construct, not the labor of representing it and testing the fidelity of the representation.” BelieveHardI BelieveDesignBuildingConceptsLaborEssenceSoftwareEntityRepresentationConstructsTestingFidelityRepresentingSpecifications Author:Fred Brooks
“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.” YearsHardFactsTenProjectsHarderSpendingConclusionSoftware Author:Donald Knuth