The article presents the analysis of the lyric poetry by M. Tsvetaeva. The presence of the concept ‘time-eternity’ in her work is a feature of the author's individual style. Marina Tsvetaeva has a unique ability, i.e. mastery of a language that extends the semantic potential of the work. This concept forms the reality, focuses on the poetic aesthetics and deep personal experience. The essence of the analysis is to show how the concept enables fate of the whole. More attention is paid on a series of texts that merge the concept ‘time-eternity’ into some point. The article focuses on the peculiarity of Marina Tsvetaeva’s style. The analysis of her style and language gave an opportunity to see a variety of elements combined in a single art construct. In conclusion, her individual style of writing Tsvetaeva integrates into a particular concept on phonetic, lexical, and syntactic levels.