おんこちしん

Those who forget the past are doomed to repeat it

Embrace温 the past故 to gain new新 knowledge知 (温 used in a rare case here to mean 'learn.' Think of it like, 'warm gently' → 'treat with care' → 'don't ignore, learn from it')

前に習ったことや昔に事柄を復習し考えて新たな真理や知識を会得すること。