In contemporary architecture, the problem of the truth and lies can be considered in several aspects - form, idea, material, also in terms of beauty and aesthetics. The aim of this article is to show that the truth in architecture can be interpreted as a kind of synthesis of material and ideas. Such synthesis occurs, inter alia, in the architecture of buildings with brick facades. The author of the text carries out the case studies analysis on the example of the brick architecture of Białystok from the 19th and 20th centuries - among which several outstanding works of architecture can be identified. The result of the research is the confirmation of the thesis put at the beginning and the presentation the evolution of the forms of brick architecture in Białystok in the 19th and 20th centuries.