Siddhartha Gautama's understanding of the cause of human suffering is

Buddha concluded that the cause of suffering is wanting what we don't have, wanting to keep what we like and already have, and not wanting what we dislike but have.

i thinl it is the 1st answer

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.