Tirmidhi Hadith Irrelevant talk miserly about small things

Anas ibn Malik Radiyallahu 'anhu narrates that a Sahab died, and a man said (addressing the dead): Glad tidings of Paradise to you. Rasullullah Sallallahu 'alaihi wasallam told him: How do you know? Perhaps he spoke something irrelevant or was miserly about something which would cause him no loss. (Tirmidhi hadith No 2316)
Note: The meaning of this hadith is that, one should not dare to declare someone to be a man of Paradise; however due to his good deeds, one can be hopeful.