Think before you speak. You might need to remember what you said.

Taste your words before you spit them out. You might need to eat them later.

Truth hurts but ignorance is deadly.

I'm glad that people who say "The world is coming to an end." won't be around to say "I told you so!" if it does.

Intentionally using the quotes of others without author attribution is plagiarism and contributes to illiteracy.

The irony of the pot calling the kettle black. Where's the pun in that?