Understanding searching records

// event listener to respond to "Show another quote" button clicks
// when user clicks anywhere on the button, the "printQuote" function is called
document.getElementById('loadQuote').addEventListener("click", printQuote, false);

var quotes;
var randomInt;
var quoteObject;
var html;

//Object literal quotations
var quotes = {
      quote: "Do not pray for an easy life, pray for the strength to endure a difficult one.",
      source: "Bruce Lee",

      quote: "The only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle.",
      source: "Steve Jobs",

      quote: "Talk to yourself once a day, otherwise you may miss meeting an excellent person in this world.",
      source: "Swami Vivekananda",

      quote: "You can do anything but not everything",
      source: "Making it all work by David Allen 2009",

      quote: "I think it is possible for ordinary people to choose to be extraordinary.",
      source: "Elon Musk"
    };

//Random number function
  function getRandomQuote() {
      var randomInt = Math.floor(Math.random * quotes.length);
      return quotes[randomInt];

    }
  // Function that calls on randomQuote then prints to HTML
    function printQuote() {
        var html = '<p class = "quote">' + getRandomQuote.quote + '</p>' +
        '<p class = "source">' + getRandomQuote.quote + '</p>';
        var quoteObject = document.getElementId('quote-box').innerHTML;
        print(quotes);
   }


//Random changing background color
  function randomBackground () {
  var red = Math.floor( Math.random() * 255 );
  var green = Math.floor( Math.random() * 255 );
  var blue = Math.floor( Math.random() * 255);
  var rgbColour = 'rgb(' + red + ',' + green + ',' + blue +')';
  document.body.style.backgroundColor = rgbColour;
  }