HERBERT H. CLARK’s scientific contributions

... All these conceptual metaphors have the logic of the PATH image schemaa logic described within CMT as involving a trajectory (an agent) moving forward in time and space from a source to a destination, passing through intermediate points on the path and facing obstacles (see Lakoff 1989;Johnson 1987). This logic may be said to be the spatial dimension of the ego-moving metaphor used in the literature to describe the concept of time (see, e.g., Clark 1973). Boroditsky et al. (2011) noted that both vertical and horizontal orientations can be used for structuring spatial/temporal events, but not in the same context or at the same time. ...

Reference:

Like-simile and metaphor in cooperation: from expressing similarities to expressing contrasts