One thing I like about the more quirky languages like JavaScript and PHP, or even the far less quirky but still dangerous C language, is that they force you to

One thing I like about the more quirky languages like JavaScript and PHP, or even the far less quirky but still dangerous C language, is that they force you to write good tests. You don't get the false sense of confidence some other languages give you. I'm still not positive if static types are a poor man's test suite, or if a test suite is a poor man's static types, but I find tests are far more flexible and great at describing intent.