That is why I got into the habit, very early on, to always, always enclose blocks in curly braces (or begin-end, depending on the language). If it is ingrained

That is why I got into the habit, very early on, to always, always enclose blocks in curly braces (or begin-end, depending on the language). If it is ingrained deeply enough, one no longer has to think about it. But it is nice if the language enforces it. I would even go so far as to claim it is common sense.