English training Please check this. It is my homework. m(__)m The process until Descartes arrives at the conclusion is as follows. 1. First he tried to doubt the various things in this world. 2. And he thought there was a certain thing that cannot be doubted. 3. He was able to doubt most things. 4. But he could not doubt that there was something suspicious. 5. Therefore, when he was thinking about that, he realized that he could not doubt that there was someone who was suspicious.