In the last analysis the entire field of psychology may reduce to biological electrochemistry.

What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.

We are so constituted that we can gain intense pleasure only from the contrast, and only very little from the condition itself.

Human life in common is only made possible when a majority comes together which is stronger than any separate individual and which remains united against all separate individuals. The power of this community is then set up as right in opposition to the power of the individual, which is condemned as brute force.

To be completely honest with oneself is the very best effort a human being can make.

These patients have turned away from outer reality; it is for this reason that they are more aware than we of inner reality and can reveal to us things which without them would remain impenetrable.

Like the physical, the psychical is not necessarily in reality what it appears to us to be.