Buddha-carita, or Life of Buddha by Ven. Aśvaghoṣa

Buddha-carita, or Life of Buddha - 215
95. ‘These eight seats shall the pure-souled one attain who offers
joyfully a seat to him who proclaims the Law.
96. ‘Whosoever with a believing heart, after examination, shall utter
applause to the pious man who proclaims this carefully arranged Law;
97. ‘Shall become a truthful and pure speaker, and one whose words
are to be accepted, – one whose utterances are welcome and
delightful, whose voice is sweet and gentle;
98. ‘Having a voice like a Kalaviṅka bird, with a deep and sweet tone,
having also a pure voice like Brahman’s, and a loud voice with a
lion’s sound.
99. ‘He as an all-wise and truthful speaker shall obtain these eight
excellences of speech, who utters applause to one who proclaims the
good Law.
100. ‘And whosoever, after writing this method of the Law in a book,
shall set it in his house and always worship it and honour it with all
reverential observances,
101. ‘And uttering its praises shall hand the doctrine onward on every
side, he, the very pious man, shall obtain a most excellent treasure of
memory,
102. ‘And a treasure of insight, and a treasure of prudence, and a
treasure of good spells, and a treasure full of intelligence,