Here's some reasoning of mine about the cause of human mind:
Premise A: No animal can conceive infinity.
Premise B: Human mind can conceive infinity.
Conclusion 1: The origin of human mind cannot be traced to any animal.
Premise A: The human mind must have a cause.
Premise B: Only infinity can contain infinity.
Premise C: The cause of human mind must be infinity.
Premise D: This cause must possess the intentional ability to manipulate infinity.
Conclusion 2: Human mind was caused by an infinite mind.
C1 + C2: Human mind have no natural cause. It's cause must be supernatural.