Rénlèi de pànduàn chángcháng yīlài qǐfāfǎ ér fēi yánmì tuīlǐ.
Human judgment often relies on heuristics rather than rigorous reasoning.
Tips
memory
Literally 'inspiration-method': 启发 (qǐfā, to inspire / open up) + 法 (fǎ, method). A heuristic 'opens up' a quick path to a good-enough answer instead of grinding through every possibility.