• When oxygen and sulphur dioxide are mixed in the presence of a filiament of platinum, they form sulphurous acid. This combination takes place only if the platinum is present; nevertheless the newly formed acid contains no trace of platinum, and the platinum itself is apparently unaffected: has remained inert, neutral, and unchanged. The mind of the poet is the shred of platinum.

    T. S. Eliot (2014). “Selected Essays”, p.16, HMH