If such be the case, my dear Valentine, you must yourself have felt, or at all events will soon feel, the effects of his presence.

Even the economic effects of the troops' presence, while not insignificant, have been mostly ancillary.

But this had been as nothing, it was said, to the effect of Plato's presence.

At the same time, they take a certain quirky pride in trying to minimize the effects of their presence.

The moral effect of his presence in a patrol is most marked.

And the effect of his presence upon the other Authorities was significant.

Inside the linked Georgian houses he'd left half an hour before, the effect of his presence was very different.

And who believes the effect of a camera's presence can be dismissed?

We can see the effect of its presence as it moves in front of Dovim.

Indeed, he asserts that "the effect of their presence has been a general softening of military service."