When we see one who has a physical deformity, challenge or sickness, it inevitably awakens pity & kindness, even for those who are total strangers & see from afar. This is the tikun or educational fixing of "Sinat Chinam", needless hate, towards the innocent or even the foreigner. Upon feeling this pity & kindness from others, even the cruel will taste the pleasantness & benefits of this unearned love - "Ahavat Chinam", & society will gradually improve. Rav Kook adds that all people have a Godly spark, a conscience & natural morality, where if they didn't "overcome" it through negative free-will, is just waiting to be realized. & even if one chooses to overcome his goodness, it can be re-awakened through incidents & positive experiences.
Anyone who has opened a page in the Talmud or entered a Beit Midrash, is puzzled with the question of why are there so many differences of opinions among rabbis, and why they're always arguing? If the Torah comes from 1 God, shouldn't there be 1 absolute truth? Why are there so many commentaries on just about every pasuk in Tanach? This concise class summarize this large topic, addressing halachic, logical, technological and technical reasons, analyzing & summarizing in 10 clear categories, what stands behind all those machlokot?