O, bildiğim kadarıyla, güvenilir bir arkadaştır.
- He is, so far as I know, a reliable friend.
Bildiğim kadarıyla böyle bir sözcük yok.
- So far as I know, there is no such word.
insofar as (or that), to the extent that, to such an extent.
... As far as your amygdala is concerned, all of those are ...
... very chimneys unfold as far as the eye can see ...