Practical intelligence, sagacity, or cleverness — the ability to find solutions or use good judgment based on experience or insight.
祖母の知恵で、冬でも部屋を暖かく保てた。
Thanks to my grandmother's wisdom, we were able to keep the room warm even in winter.
この問題は少し知恵を絞れば解けるはずだ。
This problem should be solvable if you put your mind to it.
旅行中のちょっとした知恵が、荷物を軽くするのに役立った。
A few travel tips were useful for lightening my luggage.
In Buddhism, prajna — deep, penetrative insight or understanding that leads to enlightenment. Usually written 智慧.
禅の修行は、表面的な知識ではなく智慧を深めるためのものだ。
Zen practice is meant to deepen wisdom (prajna), not just surface knowledge.
経典には「智慧によって真理を見抜く」と書かれている。
The sutras say, 'Discern the truth through wisdom.'