Culling books and stumbled across this quote from John Donne’s Sermon No. 6:
And, as it is true in religious duties, so is it in interpretation of matters of Religion, Necessarum & Satis convertuntur; when you have done that you ought to doe in your calling, you have done enough…
In other words, do what’s needful, avoid excess which may add only incremental value or even detract from it. Useful principles in other endeavors as well.