There's no escalators - there's only staircases to success. There is no substitute for hard work.

There is simply no substitute for hard work when it comes to achieving success.

There is no substitute for hard work.

There is no substitute for hard work, 23 or 24 hours a day. And there is no substitute for patience and acceptance.

I think that my biggest attribute to any success that I have had is hard work. There really is no substitute for working hard.

The only way to do something in depth is to work hard.