Language Point 11

But it is the real bottom line in every area of society and a discipline we must demand of ourselves. (Para. 3)
Meaning: But integrity is very important in every area of society, and it is education that is necessary to us.
the bottom line: the most important factor; the main or essential point 重要因素；關鍵的東西
The bottom line is that it's not making any money. 關鍵是這不賺錢。
The bottom line is that it did not get the best out of everybody. 關鍵是這不能使每人都盡力。
Forget the detail and give me the bottom line. 細節就不要說了，說說關鍵的吧。
demand of: expect (something) from (someone or something) 期待；要求
Hard work will be demanded of students in this course. 這門課程要求學生用功去學。
The increased population is demanding too much of the electricity supply. 人口的增長對電力供應的需求太高了。