Shiva Purana
ब्राह्मणं श्रेष्ठमाहूय यत्काले सुसमाहितम् । तदर्थं शब्दमर्थं वा सद्बोधकमभीष्टदम् 1-15-२० ।
An excellent brahmin must be invited on an auspicious occasion and given sufficient sums of money with piety and pleasing words. They accord all desired results.
english translation
brAhmaNaM zreSThamAhUya yatkAle susamAhitam । tadarthaM zabdamarthaM vA sadbodhakamabhISTadam 1-15-20 ।
hk transliteration by Sanscript