I am not scared of someone who reads 200 books a year. I am scared of someone who reads 1 book again and again and digest one great idea , write about it, talks

I am not scared of someone who reads 200 books a year. I am scared of someone who reads 1 book again and again and digest one great idea , write about it, talks about it add his/her own ideas, make it even more powerful and spread it like wild fire.