My old dog sits by my side and stares off into space. A penny for her thoughts. One thing I know she isn’t thinking about is dying, because dogs don’t “understand.” They don’t think about future things. But we do. No matter our age or health or wealth, we at some point think about dying. That’s because we, unlike beasts, have “understanding,” according to Psalm 49:20. We know that we will die, and there’s nothing we can do about it. “No one can redeem the life of another or give to God a ransom for them” (v. 7). No one has…