Experts have argued that we tend to use our memories of the past to imagine the future, which is why so much future gazing is essentially a form of nostalgia.
Source: Where I call bullshit on the way we do the PhD – The Thesis Whisperer
Some good points from Inger about the need to reimagine the purpose and process of PhDs, and that we should stop preparing HDR students for a world that no longer exists.