Gonna change my username back to ManuForti but I gotta wait a while.

There are many philosophies, religions, and spiritual systems, which teach a wide variety of ideas which are often contradictory. One seeking meaning and happiness thus finds oneself faced with a seemingly impossible choice: when so many contradictory statements are being made, what basis can we use for determining what is true and what is not?

The Buddha has these suggestions:

https://dhammatalks.org/suttas/AN/AN3_66.html