Our own possessions though our own — Body Weight

Our own possessions-though our own-
'Tis well to hoard anew-
Remembering the Dimensions
Of Possibility.
(F.1267/J.1208)
[1] own possessions, our own:: our bodies, something we truly own.
[2] hoard anew:: to accumulate valuable things in a new form. 'Tis well:: a suggestion, warning.
[3, 4] Dimensions, Possibility:: unknown potential of one's body measurements.