Middle age is when you stop criticizing the older generation and start criticizing the younger one.
Give a child enough rope and he will trip you up.
Lead, follow or get of the way
Bore : A fellow who can change the subject back to his topic of conversation faster than you can change it back to yours.
Many live by their wits but few by their wit.
You can't cross the sea merely by standing and staring at the water. Don't let yourself indulge in vain wishes.