At Uruvelā (2nd) 3.2

3.2

So ca hoti kālavādī bhūtavādī atthavādī dhammavādī vinayavādī nidhānavatiṃ vācaṃ bhāsitā kālena sāpadesaṃ pariyantavatiṃ atthasaṃhitaṃ.

But your speech is timely, true, meaningful, and in line with the teaching and training. You say things at the right time which are valuable, reasonable, succinct, and beneficial.