What are some funny and smart quotes?

They did a study between postal workers and chimpanze...

“A Freudian slip is when you say one thing when you’re really thinking about a mother.”

“Everyone in the Swiss Army owns a Swiss Army knife. That’s why no one messes with Switzerland.”

For the first time, an external factor turns a male mammal into a female - EL PAÍS English

“It’s a little known fact that the tan became popular in the Bronze Age.”

My sister Tracy sent me these a little while ago. I thought I’d share them. Thanks Trace.

“It’s a little known fact that pigs are the smartest animal. Scientists say that if pigs had thumbs and a language that they could be trained to do manual labor. They give you 20 to 30 years of loyal service and then at their retirement dinner, you can eat them.”

What does "feeling like your life is over" mean and why is it not in any dictionary online?

“There is no rule against postal workers dating women. It just works out that way.”

“Ah just like all women. If they’re not turning down your proposal of marriage, they”re accusing you of suspicious behavior in the lingerie changing room.”

Few people had funnier or smarter quotes than Cliff Clavin from the TV show, Cheers.

What is the irony of life according to you?

“The human brain can only operate as fast as its slowest brain cells. Too much alcohol kills brain cells, especially the slower, weaker ones. So, regular consumption of beer eliminates the slower brain cells after you’ve had a few beers which will speed up your brain.”