A common English phrase is:
Don’t put all your eggs in one basket
English proverb
This is sensible advice and is really suggesting a risk mitigation strategy (see Risk Management). The proverb, fairly obviously, means don’t put all your resources (money, time, energy) into the same activity, just in case that activity fails. Or, put another way, avoid single points of failure. Or, to use another common phrase, keeping your options open.
This advice applies in many situations and at many levels. For example:
- Royal succession
- Personal investments
- Infrastructure
- Portfolio management
- Programme or Project contingency
- Technical design
The Royals apply this advice in their efforts to have an "heir and a spare" to ensure succession.
At a more mundane level a sensible share portfolio has diverse investments to reduce the risk of failure of any one.
As my main interest is programmes, portfolios and projects I’ll concentrate on the last examples.
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