If it were for our good, God would not have grudged us this foreknowledge. He who has revealed to us things in heaven, would not have envied us. For, “All things,” He says, “that I have heard of the Father I have made known unto you”; and, “I call you not servants, but friends. You are my friends.” Why then did He not make these things known unto us? Because He would not have us concerned about them. And as a proof that He does not envy us this knowledge, such things were revealed to the ancients, because they were babes, even about an ass, and the like.
But to us, because He would not have us concerned about such things, He has not cared to reveal them. But what do we learn? Things which they never knew, for little indeed were all those things of old. But what we are taught is this, that we shall rise again, that we shall be immortal, and incorruptible, that our life shall have no end, that all things will pass away, that we shall be caught up in the clouds, that the wicked shall suffer punishment, and numberless other things, and in all these there is no falsehood.
Is it not better to know these than to hear that the ass that was lost is found? Lo, you have gotten your ass! Lo, you have found him! What is your gain? Will he not soon be lost again some other way? For if he leave you not, at least you will lose him in your death. But the things which I have mentioned, if we will but hold them fast, we shall retain perpetually. These therefore let us pursue. To these stable and enduring goods let us attach ourselves. Let us not give heed to soothsayers, fortune-tellers, and jugglers, but to God who knows all things certainly, whose knowledge is universal. Thus we shall know all that it befits us to know, and shall obtain all good things, through the grace and lovingkindness, etc.
Source: Homilies on Second Timothy (New Advent)