The problem is not that libraries exist, but the incredible mental investment required to use them. Early libraries were just bundles of functions, but modern l

The problem is not that libraries exist, but the incredible mental investment required to use them. Early libraries were just bundles of functions, but modern libraries are vast, complicated beasts that require years of experience to fully grok. But don't take too long, because they all exist in a state of perpetual churn, and hitching yourself to the wrong train could well destroy your career.