It is suggested to search and learn some related papers first, sum up the rules, and then draw inferences.
If the topic is "On Positivism", it will be a bit big and empty, so you can choose a more specific aspect of positivism for in-depth thinking and writing.
When you search for 20-30 articles in this field and study them carefully, I believe you will have a clearer idea.
In thesis writing, it is not impossible to adopt other people's views, but research is needed. However, we should pay attention to two points: first, we should indicate the source of the quotation; second, we should quote others' opinions before putting forward our own opinions, which are not necessarily others'.