Leading cadres cannot achieve strict self-discipline if they do not have bottom-line thinking. Only by not forgetting their original intentions can they always maintain their bottom-line thinking. Only by always sticking to their ideals and convictions can they not forget their original intentions. Based on the above information, Which of the following items can be derived. ['If leading cadres fail to achieve strict self-discipline, they will lose their bottom line thinking.', 'Leading cadres can only achieve strict self-discipline if they do not forget their original intentions.', 'Leading cadres can achieve strict self-discipline as long as they always adhere to their ideals and beliefs.', 'Leading cadres can achieve strict self-discipline as long as they do not forget their original intentions.']