It is possible to give wedding presents,birthday and Christmas presents,without any thought of affection at all,they can be ordered by postcard;but the unbirthday present give the nicest care.It is therefore the best of all and it is the only kind to which the golden rule of present-giving imperatively applies-the golden rule which insists that you must never give anything to any person that you would not rather keep;nothing that does not cost you a pang to part from.It would be nice if this rule governed the choice also of other three varieties of gifts,but they can be less exacting.

The author says that wedding,birthday and christmas presents

The author of the above passage has examined 'Mona Lisa' from

The painter was able to produce that strange smile on Mona Lisa's face by

The truth about Mona Lisa is that it is a study in

Mona Lisa is the name of

Most rhapsodical nonsense has been written about 'Mona Lisa' and her enigmatic smile and there have been endless speculations as to her character and meaning of the expression.It is all beside the mark.The truth is that Mona Lisa is a work of modeling.Leonardo da Vinci had discovered that expression of smiling is much more a matter of modeling of the cheek and of the forms below the eye than of the change in the line of the lips.It interested him to produce a smile wholly by  these delicate changes of surface;hence the mysterious expression

The word rhapsodical as used in the passage means