网友回答：
people do not lack strength; they lack will.乐中必有苦，pleasant hours fly fast.待到二十次，perseverance is vital to success.小学英语谚语，忍耐是一种美德， impressive and widely effective mode of saying things，politeness costs nothing and gains everything.自立更生，人人不讨好，peace on earth
温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。
