Religion is the sigh of the oppressed creature, the heart of a heartless world, and the soul of soulless conditions. It is the opium of the people. Karl Marx
Under the pressure of the cares and sorrows of our mortal condition, men have at all times, and in all countries, called in some physical aid to their moral consolations - wine, beer, opium, brandy, or tobacco. Edmund Burke
Religion is not merely the opium of the masses, it's the cyanide. Tom Robbins
There is always a need for intoxication: China has opium, Islam has hashish, the West has woman. Andre Malraux