Whatever work you undertake to do in your lifetime, it is very important that first you have a passion for it — you know, get excited about it — and second, that you have fun with it. That's important. Otherwise, you see, your work becomes nothing but an idle chore. Then, you hate the life you live.
Why Is It So?, episode 1 (1963), Australian ABC Television show
Why is it so? - Features - The Lab - Australian Broadcasting Corporation's Gateway to Science[abc.net.au]