Lu Ziqiao: Put on your suit. Aristotle once said that even if your hands and feet are broken tomorrow, your cuffs and trouser legs will be as straight today.

Aristotle believed that the moving celestial bodies are material entities. The earth is spherical and is the center of the universe. The earth and celestial bodies are composed of different materials. The materials on the earth are composed of water, air, fire and earth. Composed of four elements, the celestial body is composed of the fifth element "ether".

Aristotle believed that analysis or logic is the tool of all sciences. He is the founder of formal logic. He strives to connect the form of thinking with existence and clarify the categories of logic based on objective reality. Extended information

Character introduction:

Aristotle is one of the great philosophers, scientists and educators in the ancient history of the world. He can be called the master of Greek philosophy. He was a student of Plato and teacher of Alexander.

In 335 BC, he founded a school called Lyceum in Athens, which was called the Peripatetic School. Marx once called Aristotle the most knowledgeable figure among ancient Greek philosophers, and Engels called him "the ancient Hegel."