To develop patience, you need someone who willfully hurts you. Such people give us real opportunities to practice tolerance. They test our inner strength in a way that even our guru cannot. Basically, patience protects us from being discouraged.
True compassion is not just an emotional response but a firm commitment founded on reason. Therefore, a truly compassionate attitude towards others does not change even if they behave negatively. Through universal altruism, you develop a feeling of responsibility for others: the wish to help them actively overcome their problems.
If the basic human nature was aggressive, we would have been born with animal claws & huge teeth -- but ours are very short, very pretty, very weak! That means we are not well equipped to be aggressive beings. Even the size of our mouth is very small. So I think the basic nature of human beings should be gentle.