The ordinary things lose their names and shapes Sartre shows that Roquentin s experience is not madness but awakening It is the start of his attempt to know reality as it truly is Search for Meaning Roquentin tries to understand his life through work and reason He studies the Marquis de Rollebon He hopes to find meaning in history But he fails He says I no longer existed in myself but in him I ate for him breathed for him His work becomes a way to escape himself When he realizes this he gives up the project Sartre shows that man cannot depend on the past or others to define himself Meaning must come from within Loneliness and Separation As Roquentin becomes more aware he feels isolated from people He writes I am alone in the midst of these happy reasonable voices He sees others living blindly without thought He cannot join them because he sees life s emptiness His loneliness grows as he understands that existence is not shared but personal Sartre uses this to show the price of self-awareness To truly understand the world one must face it alone without false comfort or illusion Vision of Existence Roquentin s greatest understanding comes under the chestnut tree He suddenly feels the truth of existence He says Existence must invade you suddenly master you weigh heavily on your heart He realizes that everything exists without reason or purpose This revelation makes him feel Nausea but it is also the key to understanding He now sees that the world has no fixed meaning Man s relationship with it is free uncertain and based on his own choice Freedom and Acceptance At the end Roquentin reaches peace with himself and the world Listening to his favorite song he says I felt my body harden and the Nausea vanish He decides to write a novel and create meaning through art This choice shows his freedom He accepts that he cannot change existence but he can choose how to live in it Sartre ends the novel with Roquentin s new relationship with the world honest free and creative To sum up Nausea is Sartre s study of man s search for connection with reality Through Roquentin s pain confusion and awakening Sartre shows how man discovers his place in an indifferent world Understanding existence brings loneliness but also freedom True peace comes when one accepts the world as it is and chooses to create meaning within it