The statement below is a conclusion validly deducible from Einstein's 1905 postulates; Einsteinians hate and don't teach this conclusion:

Stationary clocks are slow and moving ones are fast, as judged from the moving system.

Given the above conclusion, the following wisdom, universally taught in Einstein's schizophrenic world, is a pernicious lie:

Brian Greene: "If you're moving relative to somebody else, time for you slows down." https://m.youtube.com/watch?v=QnmnLmwBmfE

Actually Einstein's 1905 postulates predict the opposite:

If you're moving relative to somebody else, time for you SPEEDS UP.

Pentcho Valev