Harvey MacKay, “I’ve known entrepreneurs who were not great salespeople, or didn’t know how to code, or were not particularly charismatic leaders. But I don’t know of any entrepreneurs who have achieved any level of success without persistence and determination.”
Denis Waitley, “Success is almost totally dependent upon drive and persistence. The extra energy required to make another effort or try another approach is the secret of winning.”
Patrick Lencioni, “Success is not a matter of mastering subtle, sophisticated theory but rather of embracing common sense with uncommon levels of discipline and persistence.”