Science can only ascertain what is, but not what should be, and outside of its domain value judgements of all kinds remain necessary.
Albert EinsteinE=mc2. Energy equals mass times the speed of light squared. The original statement is: If a body gives off the energy L in the form of radiation, its mass diminishes by L/c2. Ist die Tragheit eines Korpers von Seinem Energieghalt Abhangig? 1905
Albert Einstein