There's nothing like having grandchildren to restore your faith in humanity.
The idea that no one is perfect is a view most commonly held by people with no grandchildren.
In debating the respective merits of dogs and cats, not having to walk a cat when it's 20 below zero deserves consideration.
The trouble with class reunions is that old flames have become even older.
The cat could very well be man's best friend but would never stoop to admitting it.
The reason people blame things on the previous generation is that there's only one other choice.