In this clip from episode #126 of Ten Minutes of Meaning, R. Goldberg discusses an insight from the Ramchal in his Mesillas Yesharim.
Translated into modern language, the Ramchal teaches us to have virus software to fight against negative influences in our lives.
Through purity (טהרה), we can equip ourselves with the tools we need to fight against the evil inclination (יצר הרע).
