We are certain that we are thinking, and in so far as we are thinking we are.
It is important to observe that the risk is in no way obviated by the increasing slack paid out, except in so far as the amount of sliding which the strength of the cable is able to produce at the points of contact with the ground may be thereby increased.
We may add that according to this view nothing is real but the living spirit of God and the world of living spirits which He has created; the things of this world have only reality in so far as they are the appearance of spiritual substance, which underlies everything.
In these cases, however, the " infallibility " connotes certainty only in so far as anything human can be certain.
Through the truthfulness of that God as the author of all truth he derives a guarantee for our perceptions in so far as these are clear and distinct.