Correction Request 1

Usually pPeople often think that they’re reasonable and rational , but that isn't always the casethey aren’t. They are often deceived very easily by just trivial things. DANIEL KAHNEMANaniel Kahneman is pointings out the human’s irrationality in thishis book ____. He says that we should perceivepurposely be conscious of our irrationality on purpose. "System 1" is defined as something that is operated automatically without any effort, and "System 2" is something that needs our (even better: requires) effort and caution. Easily speakingIn simple terms/thus/simply, "System 1" is thinking quickly, and while "System 2" is thinking slowly.
Usually people often call themselves ‘Thinking Animals’. They continually select something formake decisions in life, and face the situations where they have toust contemplate. If you see in this perspective, it seems that "System 2" is more powerful than "System 1" in our life. Bbut it isn’t always (or: that isn't always the case/true). Rather, "System 1" is more powerful (used more frequently in people's lives). Why it does? "System 2" arranges our thoughts in a systematical process, butwhile "System 1" is the resource whichthat triggers intentional choices, and it (therefore) includes innate abilities.

Are you writing a paper for school or for enjoyment? If it's a school essay, you shouldn't use contractions and must always use formal writing ie. "is not" instead of "isn't". In Canada and the US, you must use "" in the UK, you must use ''.  That's what I heard but I honestly don't know what you should use if you are writing in another country. You use "" when you are quoting an idea from another source that isn't your original thought. What's important in this kind of writing is using present tense (is pointing-->points) and active voice (he has seen-->he saw). Also I put in "often" because it's not as opinionated as saying "usually". You would also have to explain why you think that's a fact. Essay writing is hard... I still struggle with it. If you have any questions, feel free to ask. ^^