Puzzles. I hate puzzles. Ivan liked flowcharts—nice and clear and you could always tell just where you were and what you should do next, everything l… - Lois McMaster Bujold

"It was suicide, wasn't it?"
"In an involuntary sort of way," said Vorob'yev. "These Cetagandan political suicides can get awfully messy, when the principal won't cooperate."
"Thirty-two stab wounds in the back, worst case of suicide they ever saw?" murmured Ivan, clearly fascinated by the gossip.
"Exactly, my lord."

The man who assumes everything is a lie is at least as mistaken as the one who assumes everything is true. If no guarantee can suit you, perhaps the flaw is not in the guarantee, but in you.

I expect death will still be cheap and always available, doesn’t take high tech.