var EventEmitter = require('events').EventEmitter;
    var util = require('util');

    var Person = function(name) {
        this.name = name;
    };

    util.inherits(Person, EventEmitter);
    module.exports = Person;

var Person = require("./lib/Person");
var ben = new Person("Ben Franklin");
var george = new Person("George Washington");

george.on('speak', (said) => {
    console.log(`${this.name} -> ${said}`);
});

ben.on('speak', function(said) {
    console.log(`${this.name}: ${said}`);
});

undefined -> It is far better to be alone, than to be in bad company.

Ben Franklin: You may delay, but time will not.