To live up to yourself and not be afraid of the future is to remind people not to indulge in past successes or failures, but to cherish the present and continue to strive for a better future. The original sentence is to live up to oneself, not be afraid of the future, and not forget one's active mentality to achieve one's ultimate goal, which means to live up to oneself, not be afraid of the future, and not forget one's original dreams and goals, so as to always maintain the motivation and direction of progress and finally realize one's ideals and ambitions.