Youth is the time to learn wisdom, and middle age is the time to put it into practice.
Scientists who do not practice are like bees that do not make honey.
It is the problems that inspire us to learn, practice and observe.
It’s not necessary to finish the egg to confirm whether it tastes bad.
Truth is the pinnacle of existence, and justice is the application of truth in practice.
Theories that cannot stand the test of practice are useless and even harmful.
I’ve thought of death countless times, but I haven’t practiced it once.
The purpose of experiment is practice. Practice is the only criterion to test truth. Well, that’s what I said.
It is easy to understand the truth of life, but difficult to practice.
Practice is a great exposer, which exposes all deception and self-deception.
Whatever is correct in theory, it must be effective in practice.
A knowledgeable man who does not practice is a bee who does not make honey.
Truth is discovered through practice, and truth is proved and developed through practice.
Everything that has not been put into practice is fantasy.
Don’t worry about making mistakes. The biggest mistake is that you have no practical experience.
Since ancient times, sages’theory of speech has also been based on practice, followed by knowledge of speech.
For moral practice, the best audience is people’s own conscience.
Friendship can only come into being in practice and be maintained in practice.
Practice will solve the difficult problems that theory can’t solve.
There are errors in theory and practice. When theory is combined with practice, the errors will be reduced.
Use theory to promote practice and practice to revise or supplement theory.
How can one know oneself? Not through thinking, but through practice.
Theory is not so noble, practice is not so vulgar.
Knowledge is a treasure house, but the key to it is practice.
We sum up every day, but never practice.
The control of management is to make the practical activities conform to the plan.
Practice is the only way to test truth, and attempt is the only basis of practice.
A person can only know his ability by using his ability in practice.
Theory is the basis of thinking, that is to say, the essence of practice.
Practice determines theory, and real theory also has the function of leading action.
Knowledge is a treasure, but practice is the key to it.
Only hope, not practice, can be harvested in dreams.
The mind is often untrue, which can only be proved by practice.
With a design heart, but no practical action.
Theory is changing into practice, theory is endowed with vitality by practice, revised by practice and tested by practice.