A known spy was observed riding with another man on the same train at the same time every day for six years. But simple statistical association alone, especially when the risk ratio is relatively small, rarely warrants our cognitive leap. Of course, it's hard to wait. Presented with a link, they too readily forge a chain. It can be tortured to say more, but only at the cost of its integrity.
Nothing is certain.
Anything may cause anything. Therefore, something must be done . This construction, however human, is a false guide to wisdom. Everything is associated with something.