Which raises the question I've raised before. What distinguishes Socrates from a Chinese man at the time of Pentecost? Or a Native American in the 14th century?
Like it seems logical that their level of revelation they have available is the same. Why would they have to understand more in order to be saved?
But the Old Testament just (including perhaps the non-Jews) were clearly granted knowledge of the Holy Trinity and Incarnation before they entered heaven. It's not as if Aristotle entered heaven immediately upon his death, right? And that's the difference in the salvation of the Old Testament just. They in fact WERE missing something that prevented them from entering heaven right away. They were detained in Limbo until the proper dispositions were supplied. As I mentioned on the other thread, some Church Fathers even speculated that they were all baptized, and that is the reason they were raised back to life, as reported by the Sacred Scriptures.
So, as St. Thomas taught, those with the proper dispositions, who followed the natural law to the best of their abilities, these would be enlightened either by direct inspiration or by sending a preacher. These OT just fell into that category, and therefore, because of their good dispositions, were enlightened by God so they could enter heaven. But there's no indication that any of them entered heaven without knowledge of the Holy Trinity and Incarnation.
But once Limbo disappeared, then the criteria for salvation changed. The Church Fathers are absolutely unanimous in teaching that the economy of salvation completely changed with the Revelation of Our Lord. St. Thomas also explicitly teaches this. So if there were a just Chinese man dying at the time of Pentecost, if in fact the man had the proper dispositions, then the teaching of St. Thomas applies ... that God would have either directly enlightened him with the knowledge necessary for supernatural faith or else would have sent a preacher to him to preach the faith, even miraculously or an angel. Of course such an intervention would be extraordinary. If this Chinese man happened to be born in that time or place, there's a REASON, according to God's Providence, that He was born into those circumstances, the same reason why some infants are aborted and not "given a chance" for slavation (you listening, SeanJohson?).