"There will always be cheaters. It is human nature. It will never be 100 percent clean, in any sport"

In this quote, David Millar is acknowledging the regrettable reality that cheating exists in sports and it belongs of humanity. He suggests that no matter just how much effort is taken into preventing unfaithful, it will never ever be completely eradicated. This might be due to the competitive nature of sports and the desire to win at all expenses. Millar's declaration also indicates that unfaithful is not restricted to a specific sport, but rather a universal issue. Despite efforts to keep fairness and stability in sports, there will always be people who choose to cheat, making it impossible for any sport to be completely clean.