is a phenomenon of life. It is exhibited in endlessly varied kinds
of behaviour in the stream of life. Its forms are aspects of a form
of life, of a culture.
We need not fear that our machines will out-think us – though
we might well fear that they will lead us to cease to think for
What they lack is not computational power, but animality. Desire
and suffering, hope and frustration are roots of thought, not mechanical
In this book [The Great Philosophers 1 – Wittgenstein] I have
drawn freely on previous writings of mine on Wittgenstein’s
philosophical psychology. For a much more detailed treatment, see
P.M.S. Hacker, Wittgenstein: Meaning and Mind, Volume 3 of an
Analytic Commentary on the Philosophical Investigations, Part1
– The Essays [Blackwell, Oxford, 1993].