Bildiğimi sadece sana söyleyebilirim.
- I can only tell you what I know.
Ne hakkında konuştuğumu bildiğimi düşünmek istiyorum.
- I like to think I know what I'm talking about.
... You can't secure the software on your computer if you don't know what software is running ...
... and how it worked exactly I think we don't know precisely, where thousands of automatic, ...