1620, Bacon summed up his philosophical thoughts and published the book New Tools. In the book, he loudly put forward the view that "knowledge is power". He pointed out that if we want to control and use nature, we must master scientific knowledge. He believes that true philosophy must study nature and science. To this end, he attached great importance to scientific experiments and thought that only through experiments can real knowledge be obtained. The publication of New Tools has been greatly appreciated by scholars all over Europe, because this idea is not only a powerful criticism of reactionary scholasticism, but also an encouragement for people to explore nature.

Emerson is considered as one of the greatest figures in America in the19th century, and he attaches great importance to human cultivation and the truth of being a man. His book "Essays" pays attention to ideological content, but not to the floweriness of rhetoric. Writing is like a motto, and philosophy is simple and convincing. Prose won Emerson a great reputation, and he was called "the leader of American Renaissance". Reading "Essays" is a kind of intellectual enjoyment and spiritual cultivation, and you will feel cheerful and refreshed, eager to become smarter and more upright.