If people deploy their rationality, their cognition, their language, with the goal of making other people better off, then the result, over time, is what we call progress.

Steven Pinker in a chat about rationality (transcript)

And perhaps, the design process as a rational form of critical thinking?

This struck me more as relating to my Design, Cognition, Communication Venn, and in part as an answer to the ‘what do we mean by design’ question.