If someone came to our attention as having quit their job or looking for a new employer and a new labour market opinion, we would be able to know. But without an exit information system at the border, we are unable to track how many people come in, whether as tourists or.... We know when people come in as immigrants, because we stamp them in. We know when they arrive as visitors or as temporary foreign workers or students. But we don't know when they leave.
On September 29th, 2011. See this statement in context.