I'm very interested in the human mind, what's going on in there.
The natural cause of the human mind is certainly from credulity to skepticism.
No greater problem is presented to the human mind.
The human mind inherently seeks intelligible order. Thus the conviction that such an order exists to be found is a crucial assumption.
The greatest achievements of the human mind are generally received with distrust.
Idleness is to the human mind like rust to iron.