When you want to give some person an advice - in case he/she is wasting time then i guess this is the best thing to do -- say few hindi proverbs relating to time

    Hur din varsh kaa survottum din hai.
      meaning:Every day is the best day of the year.

    Samay kisi ki pratikshaa nahi karataa.
      meaning:Time never waits for anyone.

    Prakriti kay sub kaam dhiray-dhiray hotay hain.
      meaning:In nature, every change occurs at a slow pace.

    Ek jhooth chhipaanay kay liye dus jhooth bolnay padatay hain.
      meaning:You've to tell ten lies to cover the first lie.

    Samay mahaan chikitsuk hai.
      meaning:Time is the greatest healer.