Don't you understand that we need to be childish in order to understand? Only a child sees things with perfect clarity, because it hasn't developed a… - Douglas Adams

After a fairly shaky start to the day, Arthur's mind was beginning to reassemble itself from the shell-shocked fragments the previous day had left him with.
He had found a Nutri-Matic machine which had provided him with a plastic cup filled with a liquid that was almost, but not quite, entirely unlike tea.
The way it functioned was very interesting. When the Drink button was pressed it made an instant but highly detailed examination of the subject's taste buds, a spectroscopic analysis of the subject's metabolism and then sent tiny experimental signals down the neural pathways to the taste centers of the subject's brain to see what was likely to go down well. However, no one knew quite why it did this because it invariably delivered a cupful of liquid that was almost, but not quite, entirely unlike tea.

Time,” said Arthur weakly, “is not currently one of my problems.

Zaphod marched quickly down the passageway, nervous as hell, but trying to hide it by striding purposefully.