Sahih Bukhari 2812
There’s nothing that can be said with certainty. However, why is it important for us to understand such matters anyway? Does it make us better Muslims? Would it not be beneficial if we focused more on our goal of attaining the eternal paradise than to busy ourselves with such things that provide not much value in our understanding of God’s message? To understand the principles of how to think about these matters from epistemological stand point, please refer to the video below from 44:46 till end https://youtu.be/DP6mpGUj5lk?t=2686