One of the most misleading representational techniques in our language is the use of the word 'I.'
I act with complete certainty. But this certainty is my own.
That the world is, is the mystical.
You learned the concept 'pain' when you learned language.
For an answer which cannot be expressed the question too cannot be expressed. The riddle does not exist. If a question can be put at all, then it can also be answered.
A picture whose pictorial form is logical form is called a logical picture.