It's great to live in our modernistic 21st century when even the pagans, atheists and agnostics deem themselves competent to comment on and interpret Christian history and scripture. And even to make up new words!
The second point concerns the specific group of “those who hunger and thirst for righteousness.” This Jesusian category describes a common desire. Although this desire is felt by individuals — I can feel or intuit or experience my desire in a way that I cannot feel yours, even if I know you are feeling it too — it is not unique to each person who feels it. Rather, it is a desire common to all.