画地自限

wǒ men yīng dāng xué xí huí yìng shì jiè de xū yào ér fēi zài xiàng yá tǎ nèi huà dì zì xiàn

我们应当学习回应世界的需要，而非在象牙塔内画地自限。

We should learn to respond to the need of the world instead of building in our ivory tower.