too much of a good thing

Idioms  

1. Too large an amount of a beneficial or useful thing or activity can be harmful or excessive. For example, The indoor decorations are fine but the outdoor Santa, sled, reindeer, gnomes—it's just too much of a good thing. Expressed in slightly different form even earlier, Shakespeare used this precise wording in praise of moderation in As You Like It (4:1): “Can one desire too much of a good thing?”

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Example Sentences

Higher valuations are good things for investors, but too much of a good thing can become a risk.

From Barron's

As the old adage goes, too much of a good thing can be bad, which applies to fiber intake too.

From Salon

The biggest risk is that we get too much of a good thing—too much economic growth and supply-demand imbalances that cause prices to go up.

From Barron's

It’s possible to have too much of a good thing, and most investors likely have too much tech in their portfolios.

From Barron's

"The OBR has brought discipline and transparency to the fiscal policymaking process, but it is possible to have too much of a good thing," he claimed.

From BBC

Related Words

• exuberance
• glut
• overkill
• surplus
• waste