Grandpa wrote a good poem. How to describe it?

Praises that can be used to describe the poems written by grandpa are: wonderful pen gives birth to flowers, lifelike, dream pen gives birth to flowers, pen gives birth to flowers, flowing water and so on. For example:

This poem written by grandpa is lifelike, and it is simply a wonderful pen!

A seemingly simple sentence, but with the modification of these two words, you can obviously feel the beauty of grandpa's poems.