You can show whats really going on but make them see it to believe it

Meaning

The phrase “you can lead a horse to water, but you can’t make it drink” is a proverb that means you can provide someone with a nice opportunity, but you can’t make them take it if they don’t want to. Used to emphasize that you can make it easy for someone to do something, but you cannot force them to do it

People, like horses, will only do what they have a mind to do.

What is a proverb?

A proverb is a short, pithy saying that expresses a traditionally held truth or piece of advice, based on common sense or experience…

Basic information Elementary my dear Watson