Constant learning does not necessarily mean that your mind doesn't become more set in other respects. For example, problems in software engineering are of a pa

Constant learning does not necessarily mean that your mind doesn't become more set in other respects. For example, problems in software engineering are of a particular type - however, known strategies now may turn out to not be as optimal, and there are potential cues one can take from other domains of knowledge. We are less likely to explore those domains as we get older.