(idiomatic, often followed by to) To try to remember a particular time or event; to think about something in the past.

Alternative form of old sins have long shadows

Alternative form of cast one's net wide

(regional) Do not change from winter clothes to summer clothes until June, as there is often a sudden cold snap in May.

Alternative form of let him who is without sin cast the first stone

Only those who are faultless have the right to pass judgment upon others (implying that no one is faultless and that, therefore, no one has such a right to pass judgment).

Alternative form of let him who is without sin cast the first stone