Money
In response to this: http://bayareapublicschool.tumblr.com/post/89902588523/a-thought-about-money
Please see that money is as old as mathematics and philosophy; please read these:
In response to this: http://bayareapublicschool.tumblr.com/post/89902588523/a-thought-about-money
Please see that money is as old as mathematics and philosophy; please read these: