There is no logical impossibility to suppose
that all of life is a dream,
in which we ourselves
create all that comes before us.
But although this is not logically impossible,
there is no reason whatever to suppose that it is true;
and it is, in fact, a less simple hypothesis,
viewed as a means of accounting for the facts of our own life,
than the common-sense hypothesis
that there really are objects, and living beings,
independent of us,
whose action causes our sensations.