The goods we spend we keep; and what we save
We lose; and only what we lose we have.
Source, in full
Divine Fancies, Book IV. Art. 70. Early instances of same in Seneca, De Beneficiis, LVI, Chapter III. Gesta Romanorum, Chapter XVI. Ed. 1872, p. 300. Jeremy Taylor, Note to Holy Dying, Chapter II, Section XIII, Volume III. of Works. C. P. Eden's ed.