That I nor gold nor silver to you send,
I this forbear, for your sake, learned friend.
Who gives great gifts, expects great gifts again;
My cheap ones to return will cause no pain.

[Quod non argentum, quod non tibi mittimus aurum,
Hoc facimus causa, Stella diserte, tua.
Quisquis magna dedit, voluit sibi magna remitti;
Fictilibus nostris exoneratus eris.]

Martial (AD c.39-c.103) Spanish Roman poet, satirist, epigrammatist [Marcus Valerius Martialis]

Epigrams [Epigrammata], Book 5, epigram 59 (5.59) (AD 90) [tr. Killigrew (1695)]
    (Source)

(Source (Latin)). Alternate translations:

That of silver or gold we afford no oblation,
'Tis for they sake, sweet Stella, th' economy's such.
Ample off'rings expect ample remuneration;
A plain service of earth will not gravitate much.
[tr. Elphinston (1782), Book 2, ep. 11]

In forbearing to send you either silver or gold, eloquent Stella, I have acted for your interest. Whoever makes great presents, wishes great presents to be made in return. By my present of earthenware vases you will be released from such an obligation.
[tr. Bohn's Classical (1859)]

In sending you no silver plate, no gold plate, I act in your interest, eloquent Stella. He who has given great presents has desired great presents in return: your burden will be lightened by my earthenware.
[tr. Ker (1919)]

Dear poet friend, desirous to befriend you
It is not gold or silver that I send you,
For costly gifts demand a costly guerdon;
My pretty gift shall free you from a burden.
[tr. Pott & Wright (1921)]

If I send you no silver, if I send you no gold, I do so for your sake, eloquent Stella. Whoever gives much, wants much in return. My earthenware will take a load off your shoulders.
[tr. Shackleton Bailey (1993)]

Thank me you get no wealthy gifts from me.
It keeps you of reciprocation free.
[tr. Wills (2007)]

In sending you no silver and no gold,
my purpose, eloquent Stella, is to please.
A lavish giver wants a big return --
my earthenware will put you at your ease.
[tr. McLean (2014)]