plus ça change, plus c'est la même chose
the more things change, the more they stay the same

On the surface Prem Rawat and his Knowledge as publicly promoted have very little in common with the Divine Light Mission of 1973. In fact, if a Martian couldn't recognise that Prem Rawat in 2020 is the same person as Guru Maharaj Ji in 1973 there'd appear to be little in common.