Picking up a habit of 'reaching for dialectic' is one of the most valuable things I've ever learned. I've found that it even helps to 'decouple' 'ideas' from 'identity' more completely and thoroughly than quite a lot of learning about and practicing 'mindfulness' in various forms - at least, for someone like me. And, that is about as helpful as anything gets if you want to be able to "see clearly" ... to get more clarity in terms of what is "more actually true" (as opposed to whatever mix of nonsense and shades of truth(s) any of us may have in our heads at any given time).
In that vein, and I may have written this on HN before ... not sure and not bothering to check this second: true 'skepticism'** STARTS with skepticism of one's own thoughts! It's about as inefficacious as 'methods' get to spend all of one's time picking apart ideas and 'information' and the like presented from 'the outside'*** while spending no time subjecting what's presented internally to any amount of scrutiny at all.
* vs. a "parsimonious" solid set of wisdom with some breadth even if tending towards a little "ad hoc" - yet, it all hangs off common thread(s), IMO
** In more of an original [Ancient Greek] sense than modern connotation
*** I.e., NOT "the half behind the eyes", as Terry Pratchett phrases it in one of his books