Youth is not a time of life; it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees; it is a matter of the will, a quality of the imagination, a vigor of the emotions; it is the freshness of the deep springs of life.

良好的教养在于隐藏我们对自己较佳的评价，以及隐藏我们对他人较差的评价。