Taken from Kaggle: https://www.kaggle.com/datasets/manann/quotes-500k?resource=download

It was upload there from this repo: https://github.com/ShivaliGoel/Quotes-500K

Paper:
Goel, S., Madhok, R., & Garg, S. (2018). Proposing Contextually Relevant Quotes for Images. Advances in Information Retrieval. Springer. doi: 10.1007/978-3-319-76941-7_49