Question

to teach is to touch the life forever what this thought means

Answer 1

This might mean that if u teach people u r building lives of others...in this way u r also learning new things,gaining experience and being in touch with your life...u r spreading your knowledge to new people who in turn gives this knowledge to others . hence forming a web of knowledge in this game of life

Answer 2

your answer is here

A Subject on education cannot be complete without asking some questions about the qualities that make for excellence in learning. 

I hope it helps_