“A religião é vista pelas pessoas comuns como verdadeira, pelos inteligentes como falsa, e pelos governantes como útil.”
Outras
Lucio Anneo Seneca 342
-4–65 a.C.Citações relacionadas

“Religião é uma coisa excelente para manter as pessoas comuns quietas.”
Atribuídas
Variante: A religião é ótima para manter as pessoas caladas.

“Mesmo que falsa, a religião é um elemento necessário na vida de um povo.”

There is no method of reasoning more common, and yet none more blameable, than, in philosophical disputes, to endeavour the refutation of any hypothesis, by a pretence of its dangerous consequences to religion and morality. When any opinion leads to absurdities, it is certainly false; but it is not certain that an opinion is false, because it is of dangerous consequence.
An Enquiry Concerning Human Understanding, Sec. VIII, par. 75 https://en.wikisource.org/wiki/An_Enquiry_Concerning_Human_Understanding#PART_II._4

“Seja verdadeiro consigo mesmo e não seja falso com os outros.”
Be so true to thyself as thou be not false to others
The Essays, or Councils, civil and moral of Sir Francis Bacon ... With a Table of the Colours of Good and Evil. And a Discourse of the Wisdom of the Ancients (done into English by Sir Arthur Gorges). To this edition is added the Character of Queen Elizabeth; never before printed in English, página 62 https://books.google.com.br/books?id=urVcAAAAcAAJ&pg=PA62, Francis Bacon, Sir Arthur GORGES - For Henry Herringman and are to be sold by Timothy Childe, 1701