Do you know that even when you look at a tree and say, `That...

Do you know that even when you look at a tree and say, `That is an oak tree', or `that is a banyan tree', the naming of the tree, which is botanical knowledge, has so conditioned your mind that the word comes between you and actually seeing the tree? To come in contact with the tree you have to put your hand on it and the word will not help you to touch it.