This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...hey learned from others, never making an effort to understand their own work, it still remains true that their survival is made possible only by those who did choose to think and to discover the
motions they are repeating. The survival of such mental parasites depends on blind chance; their unfocused minds are unable to know whom to imitate, whose motions it is safe to follow. They are
the men who march into the abyss, trailing after any destroyer who promises them to assume the responsibility they evade: the responsibility of being conscious.
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If some men attemp...