We already have a sabbatical system. It’s called opposition, and I’ve had enough of it.
Meaning of the quote
This quote means that the person saying it, a British politician named Nigel Lawson, feels like the opposition party is already taking breaks or "sabbaticals" from working with the government. He's tired of the opposition constantly disagreeing with and criticizing the government instead of working together to get things done.
About Nigel Lawson
Nigel Lawson was a prominent British politician and journalist who served as Chancellor of the Exchequer under Margaret Thatcher. He was a key proponent of Thatcher’s policies and a critic of the European Union. Lawson’s family includes food writer and celebrity cook Nigella Lawson and journalist Dominic Lawson.