Notice how the meaning changes, while the actual words stay the same.

　　......1......

　　I didn't say he stole the money.

　　Someone else said it.

　　......2.......

　　I didn't say he stole the money.

　　That's not true at all.

　　......3......

　　I didn't say he stole the money. I only suggested the possibility.

　　......4......

　　I didn't say he stole the money. I think someone else took it.

　　......5......

　　I didn't say he stole the money. Maybe he just borrowed it.

　　......6......

　　I didn't say he stole the money, but rather some other money.

　　......7......

　　I didn't say he stole the money. He may have taken some jewelry.