Whilst not exactly what you're talking about, the word 'sati' means mindfulness, and implies a pre-conceptual mindful awareness of the current moment.
It is also devoid of the "live for the moment and damn the consequences" type of thinking that your other draft quotation might infer, which is most certainly not Buddhist in its meaning.
What is the final conviction that comes when radical attention is razor-edge sharp? That the object of the mind is mind-made (manomaya). (Ven. Ñāṇananda)
Having understood name-and-form, which is a product of prolificity,
And which is the root of all malady within and without,
He is released from bondage to the root of all maladies,
That Such-like-one is truly known as 'the one who has understood'. (Snp 3.6)