focus on step 1. getting good at solving problems in one language step 2. get really good at that language. (ie., know how to avoid pitfalls, get best perform

focus on step 1. getting good at solving problems in one language step 2. get really good at that language. (ie., know how to avoid pitfalls, get best performance, know corner cases) step 3. learn new languages that expose you to newer paradigms (ie., you know "OOP" languages, learn FP langauges next).