Ordinary language is all right.
One could divide humanity into two classes:
those who master a metaphor, and those who hold by a formula.
Those with a bent for both are too few, they do not comprise a class.
'Forms of life' are taken to be foundational. But instead of serving as ultimate grounds they can be taken as that thanks to which one stays grounded; and comes back to earth.
PI §20: 'But then is there not also something different going on in him when he pronounces it—something corresponding to the fact that he conceives the sentence as a single word?'
He has gone through something different; he went through it before he came to be able to pronounce the sentence the way he does.
Things can be overrefined.
One can come to be complacent from dispatching bottled messages.
We human beings are said to distinguish ourselves from other animals; do individual human beings ever likewise distinguish themselves from individual other animals?
'Do You Know How to Waltz?' is the sound of a prolonged wait: a wait which is being prolonged by those who are waiting. They're waiting for the end, which they know is coming; the drone takes the form it does so that you can hear, and feel, it coming: so that you know that, and when, the end is coming, without this knowledge preventing you from feeling as if it could be forestalled indefinitely.
'… people incapable of reading a diagram posing as engineers.'