Robert C. Martin

“Slaves are not allowed to say no. Laborers may be hesitant to say no. Butprofessionals are expected to say no. Indeed, good managers crave someone whohas the guts to say no. It’s the only way you can really get anything done.”

“What would happen if you allowed a bug to slip through a module, and it costyour company $10,000? The nonprofessional would shrug his shoulders, say“stuff happens,” and start writing the next module. The professional wouldwrite the company a check for $10,000!”

“It is not enough for code to work.”