X @Elon Musk

Energy Source Dominance - The sun is overwhelmingly the primary energy source, dwarfing all other sources [1][3] - The sun converts over 4 million tons of mass to energy per second [1] Kardashev Scale & Civilization Progress - Civilization progress can be measured on the Kardashev scale, with level 1 harnessing a planet's power, level 2 a solar system's, and level 3 a galaxy's [2] - Humanity is far from achieving even Kardashev level 1 [3] Future Energy Strategy - Harnessing the power of the sun is crucial for future advancement and interstellar travel [3]