Related:

• It is always darkest just before you turn on the lights.
• It's always darkest just before it gets pitch black.
• It's always darkest when the light bulb has blown.
• Halfway down the stairs Is a stair Where I sit. There isn't any Other stair Quite like It.
  I'm not at the bottom, I'm not at the top; So this is the stair Where I always Stop....
• It is always darkest just before the day dawneth. -- Thomas Fuller (1608-1661)
• It's always darkest just before the lights go out. -- Alex Clark
• It's always darkest right before you step in dog mess!