Definition & Meaning of "there is a sucker born every minute"in English

What is the origin of the proverb "there is a sucker born every minute" and when to use it?

The proverb "there is a sucker born every minute" is often attributed to the American showman P.T. Barnum, although there is no direct evidence he said the phrase. The saying reflects a negative view of human nature, highlighting the tendency of some individuals to fall for scams or tricks. It serves as a reminder to be careful and wise, as there will always be people who take advantage of others' lack of judgment.