One can describe human endeavour and human effort from the point of view of avoiding suffering and pursuing contentment. It's imperative that we understand that most of the things that people do under the assumption that this will decrease or alleviate this suffering, actually have the opposite effect.
The trunk called the human virtue produces two main branches that all other virtues and branches flow from or start from. And the two branches are generosity and courage. All human virtue is in these two broad classes. There isn’t a third. There are only these two.