evidence: He nailed it with that one sentence. The secret to excellence and high achievement, told to us over 2,300 years ago. And yet, it’s the one thing that at least 95% of people fail to do. Be consistent. At anything. Without consistency, it is impossible to achieve success. The most empowering part of Aristotle’s quote is that excellence can be achieved by anybody, in any chosen field. My life changed when I finally understood what he meant, and put it into practice, which didn’t happen until well into my 30’s. [...] Consistency transforms average into exceptional, and the best part is that it is something that we can all develop.onsistency is the Key to Success "We Are What We Repeatedly Do.