成绩是谦虚者的撑杆促使他在新的努力中跃进更高的境界 成绩是骄傲者的滑梯使他在沾沾自喜中跌倒到最后面
Grades are the pole for the humble, propelling them to a higher realm through new efforts. Grades are the slide for the proud, causing them to fall to the bottom in complacency
以上为机器翻译结果，长、整句建议使用 人工翻译 。