Bildiğim kadarıyla, o hâlâ bekâr.
- So far as I know, she is still unmarried.
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.
... As far as we know, no Chinese trader ever met a Roman. ...
... As far as your amygdala is concerned, all of those are ...