No man or woman of the humblest sort can really be strong, gentle and good, without the world being better for it, without somebody being helped and comforted by the very existence of that goodness.
If there are no stupid questions, then what kind of questions do stupid people ask? Do they get smart just in time to ask questions?
Reading about nature is fine, but if a person walks in the woods and listens carefully, he can learn more than what is in books, for they speak with the voice of God.