Sutra Opening Lines Part 1

The interesting thing with most sutras is that they start with this same sentence:

།འདི་སྐད་བདག་གིས་ཐོས་པ་དུས་གཅིག་ན།
,'di skad bdag gis thos pa dus gcig na,

I've even seen whole commentaries describing this starting sentence in the Tibetan literature.

Let's start parsing this sentence.

འདི།'di we had before, these.
བསད།skad means means voice, sound, something heard, but actually here it means words.
བདགbdag we had before, me
གིས།gis is an instrumental particle, by where the right part points at the left side.

Thus, so far: by me these words...