0 always:
He's infallibly cheerful, despite his difficulties.
But, crucially, from all this it does not follow that she will now infallibly know that there is an olive on the kitchen floor.
Needless to point out that this is hardly sufficient for my being infallibly aware that it is true.
Modernist pioneers sought to understand and fulfil the potential of the machine, and came infallibly to adopt the notions of standard and type from industry.
Even for a good model, its predictions are not expected to be infallibly correct; they are probabilistic.
But this is true only if it assumes its saccade was infallibly correct.
For when we are tempted to do what is morally wrong, we do not infallibly know that we shall choose the good no matter what.
It reaches out toward an objective standard that is actually glimpsed, though never fully or infallibly.
Even today, more than fifteen years since his death, whenever two or three of them are gathered together, the conversation will imperceptibly but infallibly turn upon him.