I can't help observing that, when one considers the conditions under which we meet today, much the same may be true of our two species.

I could not help observing, however, the inferior scientific knowledge of my companion.

I cannot help observing how her eyes follow me about the room.

But he could not help observing that the guest appeared tired.

"Thanks to that little spirit who came along," Ginny couldn't help observing.

Moreover, although none of these men knew Ward well, they could not help observing the change in his language and manner.

One cannot help observing how often daughters resemble their mothers.

She could not help observing that more coins fell into the guitar case behind her than had done before she began.

Without any design of playing the spy I could not help observing that it was in a woman's hand.