Create a grayscale poster featuring the Latin phrase 'docendo discimus' prominently displayed. The background should showcase an open book resting on a flat surface, with this book being the center of focus. Around the central book, place additional books flanking it on both sides, indicating an environment enriched with learning materials. Use a gradient and texture to convey a sense of depth and classical style while keeping the content monochromatic. Ensure the text is beautifully depicted in a serif font to complement the intellectual theme of the design, Grayscale poster featuring the phrase 'docendo discimus'. Background shows an open book with other books beside it