Is this a bad thesis statement?

I'm writing an analytical essay on the novel East of Eden by John Steinbeck. This is my thesis statement. I'm not sure if its a good one. I need some opinions. "In John Steinbeck's novel East of Eden, Steinbeck expresses his belief that the struggle between good and evil is a recurring... show more I'm writing an analytical essay on the novel East of Eden by John Steinbeck.

This is my thesis statement. I'm not sure if its a good one. I need some opinions.

"In John Steinbeck's novel East of Eden, Steinbeck expresses his belief that the struggle between good and evil is a recurring conflict that mankind face."
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