people konw numberous saying, like we usually said in daily lfie we shouldn't put all eggs in one basket. not only for eggs, it's a metphor applied to other thing. like we put all the money into one account, we put all the resource into one new program. but why cann't we do this? first, the resource that we have is limited, like money, time and energy, if put all of them into one, if didn't have good feedback, maybe can cause huge loss. second, if the basket solid enough, also don't do this. we can predict what happen next second, life is full of challenge, nothing can hold forever. third, life is always have opportunity, left some eggs when it comes, the time didn't wait for you, but you can wait. there is so much stories about the unwise action, maybe you have suffer once, still remember left some capacity for next. it is always basket there, wait for some suitable to put eggs, that's more wiser.