sentences:  Such tools allow us to interact with reality on a practical level, even if they deform and obscure it to a certain extent.The disparity between reality – in all its completeness and vastness – and the intellectual tools used to simplify and reduce it into manageable terms led Vaz Ferreira to identify an incompatibility between language and thought when expressing reality.He thus became convinced that "systems" are insufficient to comprehend the world around us.