When you find a germ of truth, beware. Those germs can make you sick.
I'm flatulent in many languages.
If you like Hank, you'll like Wilder Good, too.
Don't take anything for granite. That's what tombstones are made of.
When time marches on, it steps on your nose and tail, and leaves boot prints down your back.
Bravery and devotion to duty hath no greater reward than to see the cat get into trouble.