Do You Have Gaps in Your Knowledge?
There Are 2 Gaps in Your Knowledge 
Where you have gaps in your knowledge:
Philosophy
Science
Where you don't have gaps in your knowledge:
Religion
Economics
Literature
History
Art
Do You Have Gaps in Your Knowledge?
Where you have gaps in your knowledge:
Philosophy
Science
Where you don't have gaps in your knowledge:
Religion
Economics
Literature
History
Art
Do You Have Gaps in Your Knowledge?