Know from the rivers in clefts and in crevices: those in small channels flow noisily, the great flow silent. Whatever's not full makes noise. Whatever is full is quiet.
One is not a great one because one defeats or harms other living beings. One is so called because one refrains from defeating or harming other living beings.
Find out for yourself what is truth, what is real. Discover that there are virtuous things and there are non-virtuous things. Once you have discovered for yourself give up the bad and embrace the good.
If science proves facts that conflict with Buddhist understanding, Buddhism must change accordingly. We should always adopt a view that accords with the facts.