"There is no greater impediment to the advancement of knowledge than the ambiguity of words"

This quote by Thomas Reid speaks to the significance of clear interaction in the pursuit of knowledge. Reid is recommending that when words are ambiguous, or open up to multiple interpretations, it can impede the improvement of knowledge. This is since when words are not clearly specified, it can lead to confusion and misconception. This can cause an absence of clearness in interaction, which can prevent the exchange of ideas and the development of knowledge. Reid is highlighting the importance of precise language in order to ensure that knowledge can be advanced. He is recommending that when words are not clearly specified, it can lead to an absence of understanding and impede the development of understanding.