I had to give this one some thought. I don’t really agree, but I see the point that he is trying to make. Reading is certainly using your brain, and reading about other people and their achievements can be inspiring, but at some point, you have to get up and do something!
“Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.”
– Albert Einstein, a man who definitely did something