Tip for 'speed thinking'

Practice it.

Go through a document as quickly as you can and summarise what you think are the most important points.

Go through the document a second time more slowly and consider whether you gathered all the important points in our speedier analysis.

Did you get most of them?

Quotation on thinking

“A great many people think they are thinking when they are merely rearranging their prejudices.”

— William James