“Knowing and knowing what to do about it were two different things.”
“To know what is right and to do it are two different things.”
“Knowing and feeling were two very different things.”
“Do you know what it's like for two people to live in the same house as if they were in different parts of the world?”
“Knowing and feeling are two different things, and feeling is what counts.”
“Do you know what the difference is between knowing a bird and knowing about a bird?”