1)
Why did he say "Ach"?
1.
Malbim: I will pray for you and teach to you the proper path, only if you will fear Hashem. If not, my prayer and teaching will not help.
2)
What is the meaning of "Higdil Imachem"?
1.
Radak #1: He did good things for you.
2.
Radak #2: He brought noises and rain at the harvest time. It is proper that you fear Him, for He can do to you as He wants - for good or for bad, according to your deeds. Do not think that He does not see and supervise your deeds!
