I have been afflicted with ignorance because my acts and have lost the way. I don’t know what true knowledge is anymore, nor do I know the way to reinforcing the truth in my mind. I am as Imam Ali describes the ignorant man, which brings me shame. I don’t know what to do, what is the right thing to do?

The way to address that is to develop strong certainty with the basics. I recommend seeing the following:

https://youtu.be/rSwNbQFQ_fI

https://youtu.be/mRJx53QsBho

https://youtu.be/8oDTJ4_tZAk