I think what he means is other people that have produced substantial works like books etc that are the actual resources you need to consume in order to gain the

I think what he means is other people that have produced substantial works like books etc that are the actual resources you need to consume in order to gain the knowledge. Google helps you find peoples opinions of what good resources are to dive deep on a topic so you can then acquire and consume them. Sometimes you can get linked directly to a great resource but IMHO the best stuff costs money and is usually worth it for the results that that particular incentive structure engenders.