Introduction to Taoism. What should you learn first?

To get started with Taoist scriptures, you must first read the "Qing Jing Sutra"

The "Qing Jing Sutra" has fewer words, and purity is the first element of Taoism. Only by calming down can you accept other people. There are also things that the Qing Jing Sutra has an effect on depression and other mental illnesses, so the first book must be the Qing Jing Sutra, and it requires being able to read, write, and recite. The Qing Jing Sutra does not have any uncommon words and is easier to read.