The phrase means that for anyone that is to be a government official, they must know what it means to govern a people.
Government officials do not go through a school examination or test in order to ascertain their experience.
But it is very important that the person who is elected in government has the necessary experience that is needed to help drive a nation forward.
Therefore the phrase tells us that although you may not be tested to ascertain your experience, you must be experienced enough and know the constitution to be in the government.
Read more on government here:
brainly.com/question/9261004
