An individual cannot be considered entirely sane if he is wholly ignorant of scientific method and structure of nature and so retains primitive semantic reactions.

An individual cannot be considered entirely sane of he is wholly ignorant of scientific method and structure of nature and so retains primitive semantic reactions.

If we consider that all we deal with represents constantly changing sub-microscopic, interrelated processes which are not, and cannot be ‘identical with themselves’, the old dictum that ‘everything is identical with itself’ becomes in [today’s understanding of the universe] a principle invariably false to facts.

Whatever you say it is, it isn't.

…the analogy between the noises we make when these noises do not symbolize anything which exists, and the worthless checks we write when our bank balance is zero…

It is now no mystery that some quite influential ‘philosophers’ were ‘mentally’ ill.