O, bildiğim kadarıyla, güvenilir bir arkadaştır.
- He is, so far as I know, a reliable friend.
Bildiğim kadarıyla, o iyi bir adam.
- He is, so far as I know, a good guy.
insofar as (or that), to the extent that, to such an extent.
... As far as your amygdala is concerned, all of those are ...
... As far as we know, no Chinese trader ever met a Roman. ...