https://online2.tingclass.net/lesson/shi0529/0009/9676/48.mp3
https://image.tingclass.net/statics/js/2012
A Grain of Sand—William Blake
一粒沙子——威廉.布莱克
To see a world in a grain of sand,
从一粒沙子看到一个世界,
And a heaven in a wild fllower,
从一朵野花看到一个天堂,

Hold infinity in the palm of your hand,
把握在你手心里的就是无限,
And eternity in an hour.
永恒也就消融于一个时辰。