O, bildiğim kadarıyla, güvenilir bir arkadaştır.
- He is, so far as I know, a reliable friend.
Bildiği kadarıyla işler yolunda gidiyordu.
- So far as he was concerned, things were going well.
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 ...