". "(The fact) that experiences influence subsequent behaviours" -- it is presented as a known fact that the things a person experiences in their life affect how that person behaves in the future. "is evidence of an obvious but nevertheless remarkable activity" -- the aforementioned fact is evidence of an activity that is familiar to everyone ("obvious"), but, despite being obvious, is still remarkable.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.