Be Fruitful and Multiply

Six thousand millions and to spare:
Why value those? They're hardly rare.

There's too much unprecautioned rut,
And hence the market has a glut.

Some mother's child or children's mother
Drops dead, and then there is another.

It grows a bit, puts on some fat,
Then sires, or squeezes out, a brat.

It cannot raise the one it's got;
Breed more? Another two? Why not?

Therefore fear not man's common fate:
Your loss will not be very great.

And if you haven't left an heir,
You've left the world a bit more fair.