The quote emphasizes the idea that humans are inherently inclined to distort or deny the truth, viewing it as a destined part of our nature. It suggests that this tendency is an innate mission that we are compelled to follow, regardless of the consequences or moral considerations.
It implies that when we deceive or manipulate the truth, we are simply fulfilling our unavoidable destiny, and we should not be held responsible for these actions. The quote reflects a somewhat cynical view on human morality and the tendency to avoid honesty.