Since it was me who made that remark some time ago that the phrase "German is difficult" is a code phrase for "I'm lazy", you’re probably waiting for an answer from me. German is a very consistent language. If you doubt that, try Arabic. The word “consistency” was definitely not designed to describe Arabic. German however is consistent both in terms of vocabulary and in terms of Grammar. Even if you have only a limited number of words at your disposal you can often guess the meaning of the words you see for the first time. It is especially true for compound words. There are only six tenses. There’s no such a thing as an aspect of a verb, as you have in Russian. There’re only three genders of nouns, in some African languages you have 20 of them. And there are no tones! The other very important thing that makes German so easy to learn has nothing to do with the difficulty of the language itself, it is a ready availability of learning materials and of course of the great German literature, while it may be quite a challenge to find something if you want to learn Vietnamese. Of course Indonesian is much easier than German, but I’ve never said German was the easiest, have I?