1429. Likewise, I suggested to them the question whether they try to make any use of their deeper knowledge, for just to enjoy knowledge is not enough. Knowledge looks to uses, and uses look to purposes, and so forth. In knowledge alone, there is no use to them if they stop there, but to others. From deeper knowledge, we ought to think, which they are able to do, but then we ought to make use of it. But they still kept saying that they delight in higher knowledge, and that this is a use.