思想纯洁是保证党的正确政治方向和党的团结统一的思想基础,是保持党的纯洁性的首要任务。思想不纯洁,理想信念就不可能坚定,是非认识必然模糊,政治立场也很容易动摇。新的历史时期,大力保持党员干部思想纯洁,务必将之作为发挥政治优 Pure thinking is the ideological basis for ensuring the party’s correct political orientation and party unity and unification and the primary task of maintaining the party’s purity. Impure ideas, ideal and conviction can not be firm, non-cognition is inevitably vague, and political positions are easily shaken. In the new historical period, we should energetically maintain the purity of the party members and cadres’ thinking and use them as the key to giving play to their political superiority