Not sure whether it is helpful, but they say as well that "bull markets climb a wall of worry ...", so - maybe the recent dip was just a huge bear trap?
One thing I do know is that none of the past big stock market events has been predicted by expert consensus. Neither am I aware of any expert who got it repeatedly and reliably "right". You could even argue that if there would be anything exceptional in the stock market which could be reliably predicted per definition will not happen, because everybody would be prepared for it ...
Sure - there are always hundreds of different expert opinions around. Some of them even might be from real experts. In hindsight some of them might prove correct. If you remove the time factor, than nearly all of them will prove correct over time (like "the next big crash will come"). The problem is just - there is no way in predicting, when ...
Be careful, sensible, diversify, buy shares of companies producing something useful and making money by doing so who have a reasonable P/E and be prepared for periods with (at least nominal) capital loss. And yes ... don't worry too much - neither you nor I will be able to predict when the next crash comes anyway.