What does “consistent hustle” mean？ "If you keep making a firm commitment to continuously improve yourself, you will develop so much that the only option left is success. Consistent hustle always wins." I tried to look up “hustle" in dictionary, but failed to understand the meaning of "hustle" here. And this is the source of this sentence:http://www.24en.com/fun/soul/2013-08-16/159580.html Please look at the last paragraph of point 3. Thank you.