#4 is a good, rarely appreciated one. In principle I agree with it. But cash position, errors in judging yourself or counterparty, limit ithttps://twitter.com/ld103006/status/863608615411761152 …
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Take 'working' broadly as maintaining a relationship for any purpose, nut just business. Investing, creative partnership, etc
Many people have helped me over the years without considering to maintain the relationship - never crossed path again - it mattered a lot.
Principle doesn't say you *should* make it lifelong. Only that you should only do even one-offs with people you wouldn't mind as lifelong
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