One should observe the present by learning from the past and drawing lessons from ancient times.
在制定新的教学计划时，我们观今宜鉴古，吸取过去成功的经验，以确保方案的全面性和有效性。
When formulating new teaching plans, we should learn from history and draw upon past successful experiences to ensure the comprehensiveness and effectiveness of the plan.
Era:
Early Modern
Frequency:
Next Idiom