Knowledge/Education is the most-asked theme in UPSC essay history — roughly 14 appearances in 13 years — and this is a pure Type 1 (philosophical/abstract) topic. Three signals give it away: it names no specific issue (no India, policy, technology or governance); it is a quote (Einstein); and it is about an idea — what “real education” means — not an issue to analyse.
But here is the rule for Type 1 essays: they START philosophical and must LAND in real-world India by the middle. A 1,200-word pure-philosophy essay with no connection to Indian education, governance or society scores average. The philosophical interpretation is your entry ticket; the Indian grounding is your score multiplier.