1)
Why did he say "Tachas Radfi Tov"?
1.
Rashi: Because we cling to Hashem and His Mitzvos.
2.
Radak: They should love me - I benefited them, and I pursue good! Perhaps they hate me due to envy, for I pursue good and they pursue evil! It is written "Redufi" - I chase after it. It is pronounced Radfi - Makor (like an infinitive).
3.
Malbim: Refer to 38:20:4:1.
