From one of Oldenburg's early letters we learn that the treatise De intellectus emendation was probably Spinoza's first occupation at Rhijnsburg.
This in the case of most writings is fairly readable, because it has been purged by the continuous emendation of scholars during several centuries.
But the emendation deserves the higher praise as being in most instances the more difficult achievement.
I) may be right in his emendation which applies the title in Pliny to the sacred spring.
It yielded no materials of value for the emendation of the received text, and by disregarding the vowel points overlooked the one thing in which some result (grammatical if not critical) might have been derived from collation of Massoretic MSS.