“The World is three days:
As for yesterday, it has vanished, along with all that was in it.
As for tomorrow, you may never see it.
As for today, it is yours, so work in it.”
(Hassan al-Basri)
Volume 7, Book 65, Number 359: Narrated Ibn 'Umar: The Prophet said, "There is a tree among the trees which is similar to a Muslim (in goodness), and that is the date palm tree."