If you have an impulse, not if you're going to ruin someone elses' scene, if you have an impulse of a funny little add-on or taking something in a weird direction, try it. ↗
I had been impressed by the fact that biological systems were based on molecular machines and that we were learning to design and build these sorts of things. ↗
So it is in poetry. All we ask is that the mood recorded shall impress us as having been of the kind that exhausts the imaginative capacity; if it fails to do this the failure will announce itself either in prose or in insignificant verse. ↗