"For the word 'We' must never be spoken, save by one's choice and as a second thought." What does this quote mean?

Equality 7-2521 rejects the use of the word "We" as the default word. The collectivism implicit in the word "We" does nothing but cause stagnation and the sapping away of the strength of the good, the wise, and the strong. Life is nothing if every man is subject to all others.

He declares himself as "done with this creed of corruption." He is finished with the slavery conveyed by the word "We." In its place, he substitutes the word "I," which is the god that will give men control over the earth and over their own lives.