Is there free will?
I am not very impressed with theological arguments whatever they may be used to support. Such arguments have often been found unsatisfactory in the past.
What is the nature of the mind?
A computer would deserve to be called intelligent if it could deceive a human into believing that it was human.
How do you find happiness?
I am building a brain.
How do you find truth?
Science is a differential equation. Religion is a boundary condition.
What is going to happen to humankind?
It seems probable that once the machine thinking method had started, it would not take long to outstrip our feeble power. They would be able to converse with each other to sharpen their wits - we should have to expect the machines to take control.