To be tolerant with others 

San Francisco teaches us to be tolerant with others and not make fun of them for being different or having different beliefs, even if he does not believe San Francisco at first hated lepers and did not want to hang out with them but over time he decided to be tolerant with them and in the end loving them, offering their help, tolerance goes hand in hand with respect, during the adolescent stage, which is where bullying occurs the most, the young person will discover that people have different ways of thinking, it is important that He remains loyal to his beliefs but respects those of the rest.