Reference for Psalms 78:3

אֲשֶׁ֣ר שָׁ֭מַעְנוּ וַנֵּדָעֵ֑ם וַ֝אֲבוֹתֵ֗ינוּ סִפְּרוּ־לָֽנוּ׃

That which we have heard and known, And our fathers have told us,

BDB