The paintings below appear on the previous page, too. Nevertheless, not only these paintings are digitally enhanced, but also they are retouched as a form of integrated art by adding calligraphy, poetry, and stamp. The growth and creativity of a teen is like the spirit of spring The power of a youth is like the sun in the summer The maturity and comfort of a middle age person is like the breeze in the fall The wisdom of an old person is like the brightness of snow in the winter