Logic must look after itself. In a certain sense, we cannot make mistakes in logic.
A man’s thinking goes on within his consciousness in a seclusion in comparison with which any physical seclusion is an exhibition to public view.
The human body is the best picture of the human soul.
The logic of the world is prior to all truth and falsehood.
Knowledge is in the end based on acknowledgement.
Nothing is so difficult as not deceiving oneself.
Someone who knows too much finds it hard not to lie.
Our greatest stupidities may be very wise.
An inner process stands in need of outward criteria.
If a lion could talk, we could not understand him.