Scientific thought as having the intention to understand , using the 5+ senses to observe the beautiful cosmos around you without judgement or bias. Then coming up with your own intelligent conclusions.
That is not science.
Science uses the scientific method.
Sentence number two: “The scientific method involves careful observation coupled with rigorous scepticism, because cognitive assumptions can distort the interpretation of the observation”
What are you trying to proof? What argument are you trying to win?
Yes, if you take that sentence completely out of context from the rest of the sentences in that summary, you don’t need anything like testable hypotheses and falsifiable theories. But you do if you want to do science.