Life is only March, what does it mean that spring is infinitely good?

Life is like a flower in March, and spring is infinitely good. This sentence comes from Nalan Ci written by Nalan Xingde in Qing Dynasty. Nalan Ci is a collection of Ci in Qing Dynasty. Author Nalan Xingde. Nalan Xingde (1655- 1685), a native of Manzhouli, Rong Ruo, was one of the most famous poets in Qing Dynasty.