If I could tell how glad I was — Infinity Symbol

If I could tell how glad I was 1
I should not be so glad-
But when I cannot make the Force,
Nor mould it into Word,
I know it is a sign 5
That new Dilemna be
From mathematics further off
Than for Eternity.
(F.1725/J.1668)
[1, 2] could, should not:: if the quantity of infinity can be told, it should not be the infinity then.
[5] sign:: the infinity sign (∞), existed since the seventeenth century.
[7] mathematics:: a hint on numbers.
[8] Eternity:: a hint on infinity.