Idiom: make progress despite difficulties, persevere, be tireless, be conscientious, catch up and persevere. Famous saying: those who achieve great things are not ashamed; If you ask a person who is good at skating how to succeed, he will tell you, "Fall down and get up." This is success. -Newton is good and strong, and a gentleman is good at carrying things. -The secret of Zhouyi's success will never change the established goal. -Rousseau is determined to be strong. You can often succeed. -Shakespeare learned it from paper, you should know that it should be put into practice. Lu You's knowledge is a treasure house, but the key to open this treasure house is practice. -fuller's Tao is impossible to learn, but it is impossible to do anything. -Xunzi