1. Without natural science, modern people would have no way to survive. ——[Russian] Herzen's "Past and Thoughts"

Introduction to Herzen (1812-1870), Russian philosopher, writer, and revolutionary. Herzen is known as the father of Russian socialism. In terms of belief, Herzen was an advocate of agricultural populism or agricultural collectivism and peasant theory. In the autumn of 1829, he entered the Department of Philosophy of Moscow University to study science. During his studies, he organized a political group with his friend Ogarev to study social and political issues.

2. Science only knows one creed, and that is scientific contribution. ——[Germany] Brecht's "The Life of Galileo"

Introduction to Bertolt Brecht (February 10, 1898 - August 14, 1956), the famous German dramatist and poet. Bertolt Brecht was born on February 10, 1898 in the town of Augsburg, Bavaria, Germany. When he was young, he worked as a theater writer and director. He once joined the labor movement and went into exile on the European continent after 1933. He went to the United States via the Soviet Union in 1941, but was persecuted after the war and returned to Europe in 1947.

3. Science is never a career divorced from reality and individuals, but a career of society and the public. ——[Russian] Mendeleev, quoted from "Collection of Scientific Quotations"

Introduction to Dmitry Ivanovich Mendeleev (February 7, 1834-1907) February 2), Russian scientists discovered the periodicity of chemical elements and created the world's first periodic table of elements based on atomic weight. His famous work "Principles of Chemistry", which was born with the periodic law of elements, was recognized as a standard work by the international chemical community in the late 19th century and the early 20th century.

4. Anyone who learns science but does not put it into practice is like digging irrigation canals but not cultivating the land, or planting but not harvesting. ——[Russian] Navoi, quoted from "Collection of Scientific Quotes"

Introduction Nizamuddin Alisher Navoi was born in 1441 and died in 1501. He was a great figure in Central Asia. Poet and thinker. He is the most famous and outstanding representative in the history of Uzbek literature and thought in Central Asia. One of his masterpieces, "Farhad and Shireen", has been translated into Chinese.

5. Science gives people the freedom to rebel against the laws of nature. It is committed to putting the wand of natural power into human hands; it is to free our spirits from the enslavement of all things. ——[India] Rabindranath Tagore, "An Artist's View of Religion"

Introduction to Rabindranath Tagore (1861-1941), Indian poet, writer, social activist, and philosopher and Indian nationalists. His representative works include "Gitanjali", "The Collection of Birds", "Sand in the Eyes", etc. In 1913, he became the first Asian to win the Nobel Prize for Literature for "Gitanjali".