I think belief in free will has to be top of the list.
There are other beliefs - mostly, but not only, religious ones - where I could entirely accept intellectually that they were false (and do, in fact, accept that they may be) - but whatever happened, the effect they have on my behaviour would largely persist.
no subject
There are other beliefs - mostly, but not only, religious ones - where I could entirely accept intellectually that they were false (and do, in fact, accept that they may be) - but whatever happened, the effect they have on my behaviour would largely persist.