Don't put all your eggs in one basket.

Expression: "Don't put all your eggs in one basket."

Meaning: Eggs are fragile. If you put all of your eggs into only one basket and then accidentally drop the basket, you risk having all of your eggs break. Over time, this expression has evolved to suggest diversifying risk. In other words, do not have one point of complete failure; spread your risk so that you can still recover from multiple, small failures.

Example: "Investing all of your money into your company's stock is very risky. What if the company suddenly loses much of its value? Don't put all your eggs in one basket. You should spread your money among diversified investments."