The demand to give up the illusions about its condition is the demand to give up a condition that needs illusions.

A Contribution to the Critique of Hegel’s Philosophy of Right: Introduction

The abolition of religion as the illusory happiness of the people is the demand for their real happiness. To call on them to give up their illusions about their condition is to call on them to give up a condition that requires illusions. The criticism of religion is, therefore, in embryo, the criticism of that vale of tears of which religion is the halo.

Critique of Hegel’s Philosophy of Right

Marx and Engel’s Collected Works Volume 3: Karl Marx, March 1843-August 1844 (PDF)

Marx, Spinoza, and the Political Implications of Contemporary Psychiatry

Simple logic tells us that those atop a societal hierarchy will provide rewards for professionals—be they clergy or psychiatrists—who promote an ideology that maintains the status quo, and that the ruling class will do everything possible to manipulate the public to believe that the social-economic-political status quo is natural.

Marx, Spinoza, and the Political Implications of Contemporary Psychiatry