Death is nothing at all. I have slipped away into another room. All is well." Except, thought Syl, that there's no slipping back.
We live, we die, we do not need to understand. There are no ghosts to lay. There is just ash and memory.
Anyone who studies nature must get used to violence. You'll have to make yourselves companionable with death if any of you want to flourish as zoologists.