Figure 8 is double 4
Figure 4 is half of 8
If you skate, you would be great,
If you could make a figure 8,
That's a circle that turns round upon itself.
Figure 8 is 2 times 4
4 times 4 is 2 times 8
If you skate upon thin ice,
You'd be wise if you thought twice,
Before you made another single move.
Lyrics taken from http://www.lyricsmode.com/lyrics/e/elliott_smith/figure_8_lyrics.html