Bildiğim kadarıyla, o iyi bir adam.
- He is, so far as I know, a good guy.
O, bildiğim kadarıyla, güvenilir bir arkadaştır.
- He is, so far as I know, a reliable friend.
insofar as (or that), to the extent that, to such an extent.
... very chimneys unfold as far as the eye can see ...
... As far as we know, no Chinese trader ever met a Roman. ...