Meaning: The quote by Marcus Pollio, also known as Vitruvius, emphasizes the importance of proportion in architecture. Vitruvius was a Roman architect and engineer who lived during the 1st century BC and is best known for his treatise on architecture, "De architectura." In this quote, he speaks to the fundamental principle of proportion in architectural design, highlighting the harmony and balance that result from a careful and deliberate arrangement of the various parts of a building.

Proportion in architecture refers to the relationship and balance between the different elements and dimensions of a structure. This includes the proportions between the height, width, and length of a building, as well as the relationship of each of these dimensions to the overall composition. When these elements are in harmony, the result is a sense of visual balance and order that is pleasing to the eye.

The concept of proportion has been a fundamental principle in architecture since ancient times, and it continues to be a key consideration in contemporary architectural design. Vitruvius' emphasis on proportion reflects the enduring significance of this principle in creating buildings that are not only functional but also aesthetically pleasing.

In architectural design, proportion is essential for creating spaces that feel balanced and harmonious. When the various elements of a building are proportioned correctly, they contribute to a sense of visual coherence and unity. This can be achieved through careful consideration of the relative sizes and dimensions of architectural elements such as doors, windows, columns, and other structural components.

The quote by Vitruvius also speaks to the idea that proportion extends beyond the individual elements of a building to encompass the relationship of these elements to the whole. This holistic approach to proportion underscores the importance of considering the overall composition and form of a structure in relation to its individual parts. By ensuring that each part is in harmony with the others and with the building as a whole, architects can create a sense of unity and coherence in their designs.

Proportion also plays a crucial role in establishing the visual hierarchy of a building. By carefully proportioning the various elements, architects can direct the viewer's attention and create a sense of order and rhythm within the architectural composition. This can be seen in the way that certain elements, such as a central entrance or a prominent feature, are often given greater emphasis through their proportionate relationship to the surrounding elements.

Furthermore, the concept of proportion is closely tied to the idea of scale in architecture. Scale refers to the relative size of a building or its elements in relation to the human body and the surrounding environment. When proportion and scale are carefully considered, they can contribute to a building's functionality and usability, as well as its aesthetic appeal.

In conclusion, Vitruvius' quote on proportion underscores the timeless significance of this principle in architectural design. By emphasizing the importance of harmony and balance in the arrangement of building elements, the quote serves as a reminder of the fundamental role that proportion plays in creating buildings that are not only structurally sound but also visually compelling and harmonious. From ancient times to the present day, the concept of proportion continues to be a guiding principle in the art and science of architecture.