A journey can tell a horse's power, but time can tell a person's heart

It is the only criterion for testing truth

A knowledgeable person who does not practice is equivalent to a bee who does not make honey. . ——Sadie

Knowledge alone is not enough, you must also apply it; desire alone is not enough, you must also act. ——Goethe

A person can know his or her abilities only by using them in practice. ——Little Seneca

Since ancient times, great talents have suffered many hardships, but dandy has always been a great man

There is an old Chinese saying: "If you don't enter the tiger's den, you can't catch the tiger's cubs." This sentence The words are true for people’s practice and are also true for epistemology. It is impossible to understand without practice.

——Mao Zedong

Theory is turning into practice, theory is energized by practice, revised by practice, and tested by practice-------------Lenin