39.
Complete applying two valley-folds and one mountain-fold of the step #37.
Prepare to apply a valley-fold on the left layer.
40.
Apply the valley-fold of the left layer shown on the step #39.
Now, you have completed all four corners.
I loved thee in the quietness of the wind thou laughter, thou eyes, those hair swaying like the melodies of music sweet as the morning dew at rest I loved thee from the deepest of me that not even a thought could follow nor even a wise could fathom the echoes of voices singing thou name I loved thee that I kept my silence a wish akin to my death and yet ere for I to live, I chose not for life is nothing without thou smiles I loved thee that I bid my farewell my tulip from the golden field the sole purpose of my day my rising sun from the east I loved thee that I succumb to our past carried by the north winds still warm that it lingers in my memory in the words of my poetry