Importance of Testing

To all hard working programmers around the world, I should verify this principle:
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.
It wont work unless it passes extensive testing.

No, this is not a blog post full of unnecessary repetitive nonsense. It's a priceless truth that should be burnt in your mind as you decided to be a coder for a living.
Don't ever, EVER forget this.