Nothing could possibly go wrong

Good Morning, Earth! Today we transition the Space Station's main computers to a new software load. Nothing could possibly go wrong.
— Chris Hadfield (@Cmdr_Hadfield) February 19, 2013

The computers gave us problems today,comms going in and out, but our superb Mission Control team has it all fixed, back, with an upgrade.
— Chris Hadfield (@Cmdr_Hadfield) February 19, 2013