The Flash: The Thinker's Plan for Enlightenment, Explained

Neil Sandilands as The Flash's The Thinker

SPOILER WARNING: This article contains major spoilers for “Therefore She Is,” the latest episode of The Flash.

At last, The Flash's Thinker has revealed his plan for the Enlightenment. "Therefore She Is," the latest episode, revealed Clifford DeVoe's true goal through a series of flashbacks. Together with his wife Marlize, he hoped to strip humankind of their intelligence to negate the negative effect of technology on society and start anew.

Throughout the flashbacks, Clifford DeVoe outlined the reasons why he believed technology was evil. Like power, he believes technology corrupts; he described technology as "a crutch" and those dependent on it as "babies." At one point, his radical ideas drove Marlize away, inspiring her to join the peace corps.

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This move proved to be a gamechanger for her. Just as she created a device that could purify water, her encampment was attacked. Clifford rushed to her side, and -- as she lay wounded in bed -- she confessed that she agreed with his ideas. The fact that violence was used to procure her device had helped her come to terms with his plans.

However, at her core, Marlize wants to help -- not hurt -- others. Twice in "Therefore She Is," she attempted to stop Clifford from killing. She was unsuccessful with a security guard, but managed to prevent Gypsy's death by talking him out of it. In the process, he accidentally hurt her, breaking her arm.

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Between the broken arm and Clifford's casual attitude towards murder, Marlize finally realized he would never change and that he would continue to use violence as a means to an end. Describing Clifford as the first casualty of the Thinker, she told him in no uncertain tones they were finished and that he was nothing without her. She used his chair to protect herself from his array of metahuman powers and blinked out of the pocket dimension they shared. At the time of writing, it is unclear if she will join forces with Team Flash to stop him.

Airing Tuesdays at 8 p.m. ET/PT on The CW, The Flash stars Grant Gustin as Barry Allen, Carlos Valdes as Cisco Ramon, Danielle Panabaker as Caitlin Snow, Candice Patton as Iris West, Jesse L. Martin as Joe West, and Tom Cavanagh as Harry Wells, with guest appearances from Keiynan Lonsdale as Wally West and Hartley Sawyer as the Elongated Man.

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