The significance of learning from heaven

Jane: Ancient mirrors. The ancients used copper as a mirror, wrapped it in the mirror and opened it when used.

2. "Open a half acre square pond" comes from Zhu's Random Thoughts on Reading. The whole poem is as follows:

Half an acre of square pond opened, and the sky was overcast.

Ask the canal to be so clear, because there is running water at the source.

3. Translation

Half an acre of square pond is like a mirror, clear and bright, and the brilliance of the sky and the shadow of floating clouds are reflected in the pond, constantly shining and shaking, full of vitality and vitality. Why is the water in that square pond so clear? It is because there is an inexhaustible source to continuously transport living water for it.

Step 4 enjoy

This is a philosophical poem. The phenomenon of injecting fresh water into ponds shows that we must constantly accept new things in order to keep our thoughts active and progressive.