1)
To whom does David say "you said to Hashem
1.
Rashi #1: He addresses Keneses Yisrael. You should say to Hashem "You are my Master", and You have the upper hand for all that comes upon me.
2.
Rashi #2: He speaks to himself. We find like this - "va'Tchal David" (Shmuel II, 13:39) means va'Tchal (desired) Nefesh David. Also here, you, my Nefesh, should say to Hashem
2)
What is the meaning of "Tovasi Bal Alecha"?
1.
Rashi: The good that You do for me, it was not incumbent on You to bestow it to me. You do not benefit me based on my virtue.
2.
Radak citing his father: The good that I do is not "Alecha", for it is not possible to help or benefit You. (Rather, it is for
