What you hear is not as good as what you see, and what you see is not as good as what you see.-Liu Xiang

If a knowledgeable person doesn't practice, it means that a bee doesn't make honey.-Ancient Persia

woke up all the time on paper, and never knew it.-Lu You

What he said, but not what he did, is a shame to a gentleman.-Zisi Knowing what things are actually like shows that you are an experienced person; Knowing how to make things better shows that you are a talented person.

-Diderot