Which of the following is an aphorism?

Franklin was a creative force in America.

It was my sincere desire to go back home.

People appreciate random acts of kindness.

Too many cooks spoil the broth.

An aphorism is a saying which contains some general truth - usually, it is very clever and witty, and sometimes even humorous. If you take this explanation into consideration, you will realize the correct answer here is Too many cooks spoil the broth.

It means that if there are too many people working on something, it is doomed to fail.