Language is just a tool. It's important to know which tool is best for which task. After identifying which language to use, picking up a language usually just t

Language is just a tool. It's important to know which tool is best for which task. After identifying which language to use, picking up a language usually just takes a day or two max. Memorizing is definitely not a necessity, but is a side-effect when you continuously work using a language for more than a few days.