Simhasanadvatrimshika 7.8

7.8

riktapāṇir na paśyeta rājānaṃ daivataṃ gurum,
naimittikaṃ viśeṣeṇa; phalena phalam ādiśet. || 8 ||

8. One should not come empty-handed to see a king, a deity, or a guru [spiritual preceptor], and least of all a soothsayer. With the fruit (offered) one should indicate the fruit (expected). And:
9. One should not come empty-handed to see a beloved wife, a dear friend, or a young son; neither a soothsayer, nor a king.