Текст содержит разные ошибки: 2-в орфографии, 2-в грамматике. Исправьте ошибки и перепишите текст.

The text contains different mistakes: 2-in spelling, 2-in grammar. Correct the mistakes and rewrite the text.
Immanuel Kant is a German philosopher who belived that moral decisions must be base on reason, and who wrote books about the existance of God and about how we understand the world. His works has great influence on the 19 century philos- ophy.