[おうとうき, outouki](n) (太宰治) anniversary that celebrates author Dazai Osamu's birthday, and incidentally, the day his body was found after he was involved in a double suicide[Add to Longdo]
[たざんのいしもってたまをおさむべし, tazannoishimottetamawoosamubeshi](exp) (arch) (proverb) (See 他山の石) one should learn from other's mistakes; stones from other mountains can be used to polish one's own gems[Add to Longdo]