What are the weaknesses that santiago sees in his flock of sheep, and how do they relate to the weaknesses of human beings who fail to pursue their personal legends?

The answer is: Indifference and pessimism
in indifference refers to a type of attitude in which a person does not give any thought or attention for his/her own surroundings.
Pessimism refers to a type of attitude that makes that person think that they do not possess what it takes to finish a certain task, making that person give up before even trying

Ifeel like this means that we shouldn't just live for ourselves.also, we should respect others as well as people around us. it reveals that everyone should have equalized freedom, no matter their differences: races, cultures, skin color, etc,. we all deserve the same privileges.