Wherefore (hōste). Picking up the thread of consolation again (Bigg).
Commit their souls (paratithesthōsan tas psuchas). Present (continuous) middle imperative third plural of paratithēmi, old word, a banking figure, to deposit, as in 1Ti 1:18; 2Ti 2:2, the word used by Jesus as he died (Luk 23:46).
In well-doing (en agathopoiiāi). Late and rare word, only here in N.T., from agathopoieō (1Pe 2:15, 1Pe 2:20).