With the ancient is wisdom - Men who have lived in those primitive times, when the great facts of nature were recent, such as the creation, fall, flood, confusion of tongues, migration of families, and consequent settlement of nations, had much knowledge from those facts; and their length of days - the many hundreds of years to which they lived, gave them such an opportunity of accumulating wisdom by experience, that they are deservedly considered as oracles.

Job 8:8 For inquire, I pray you, of the former age, and prepare yourself to the search of their fathers:

Job 15:10 With us are both the gray headed and very aged men, much elder than your father.

Job 32:7 I said, Days should speak, and multitude of years should teach wisdom.

Whether Prudence is in us by Nature?
Objection 1: It would seem that prudence is in us by nature. The Philosopher says that things connected with prudence "seem to be natural," namely "synesis, gnome" [*{synesis} and {gnome}, Cf. [2754]FS, Q[57], A[6]] and the like, but not those which are connected with speculative wisdom. Now things belonging to the same genus have the same kind of origin. Therefore prudence also is in us from nature. Objection 2: Further, the changes of age are according to nature. Now prudence results from age, …
Saint Thomas Aquinas—Summa Theologica