Before the day begins, you are not yet engaged in any physical activities. And it is only physically that you are constrained by the limits of time and place; mentally, there are no such boundaries.
Menachem Mendel SchneersonBut time is yet another of God's creations, and as such, it has a life of its own.
Menachem Mendel SchneersonDrink, eat, jump and dance as much as you can stand tonight, but not too much, because you are fifty now.
Menachem Mendel Schneerson