What are two reasons that mao thought young people were important to china's future?

Two reasons that mao thought young people were important to China's future include:
1. The young people, full of vigor and vitality, are in the bloom of life, like the sun at eight or nine in the morning.
2. Through the united efforts of the younger people and all our people, working with their own hands,  China is made strong and prosperous within a period of several decades.