Like simplicity and candor, and other much-commented qualities, enthusiasm is charming until we meet it face to face, and cannot escape from its charm.
Being incomprehensible offers unparalleled protection against having nothing to say...but writing with simplicity requires courage, for there is a danger that one will be overlooked, dismissed as simpleminded by those with a tenacious belief that the impassable prose is a hallmark of intelligence.
A theory is the more impressive the greater is the simplicity of its premises, the more different are the kinds of things it relates and the more extended the range of its applicability.
For my part, I should be inclined to suggest that the chief object of education should be to restore simplicity. If you like to put it so, the chief object of education is not to learn things; nay, the chief object of education is to unlearn things.