Changing your label's displayed text after every 5s

import UIKit

class ViewController: UIViewController {

    var timer = NSTimer()

    var time = 0


    @IBOutlet var question: UILabel!

    var arrayOfStrings: [String] = ["We are what we say we are", "who is the first president of the United states", "Swift is an awesome language"]

    @IBOutlet var timerLabel: UILabel!

    func increaseTimer(){
        time++

        timerLabel.text = "\(time)"
    }

    @IBAction func play(sender: AnyObject) {
        timer = NSTimer.scheduledTimerWithTimeInterval(1, target: self, selector: Selector("increaseTimer"), userInfo: nil, repeats: true)

    }

    @IBAction func reset(sender: AnyObject) {

        timer.invalidate()

        time = 0

        timerLabel.text = "0"
    }

    @IBAction func pause(sender: AnyObject) {

        timer.invalidate()

    }

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.

    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


}