" Don't put all your eggs in one basket "
Meaning:
Don't risk all your property on a single venture.
Example:
Well, that horse is a good runner but I wouldn't bet all your money on it to win. That would be putting all your eggs into one basket.
Where did it originate?:
Britain, 16th century proverb, from an Italian original.
Where is it used?:
Hear the idiom spoken: