1. The degree of practice of theory in a country depends on the degree to which theory meets the needs of this country-Marx 2. Science is a general and practice is a soldier. -up to? Finch 3, theory divorced from practice is the greatest misfortune-da? Finch 4. Young people must first build up their ambitions and aim high, and then they must be determined to be a useful talent for the country and the people. Therefore, we should choose a goal to strive for and study and practice hard. -Wu Yuzhang 5. Humans need people who are good at practice, and such people can get the greatest benefit from their work; ..... But human beings also need dreamers, who are so obsessed with the selfless development of a cause that they can't pay attention to their own material interests. -Madame Curie 6. It is better to use labor practice than to talk empty words. -Anonymous 7. Don't promise others easily when you are incompetent. Once you promise others, you must practice your promise. -Washington