necessity is the mother of expansion expand the idea
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" Man in this century is innovation something new every second, human has always looked forward to develop, the necessity to come over a problem gives rise to an technique or instrument that can perform the same work more efficiently has always lead man to innovate something new and so we can say that necessity is mother of innovation "
u can start with it and give example that of invention of fire, or of mobiles.....or something such.........
" The only things that differ between us as humans and animals is the willingness to discover the unseen and to innovate a better tomorrow. As our ancestors, in order to live and to fulfill their basic need of hungry they created weapons, it was one of the earliest inventions done by humans
Hope u find it helpful