“Every opinion based on scientific criticism I welcome.”

Capital is dead labour, which, vampire like, lives only by sucking living labour, and lives the more, the more labour it sucks.

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.

Capital is dead labour, which, vampire like, lives only by sucking living labour, and lives the more, the more labour it sucks.

The history of all previous societies has been the history of class struggles.

Communism is already acknowledged by all European powers to be in itself a power.

Democracy is the road to socialism.

Communism begins where atheism begins.

Accumulation of wealth at one pole is at the same time accumulation of misery, agony of toil, slavery, ignorance, brutality, mental degradation, at the opposite pole.

The ruling ideas of each age have ever been the ideas of its ruling class.

Political power, properly so called, is merely the organised power of one class for oppressing another.

Necessity is blind until it becomes conscious. Freedom is the consciousness of necessity.

Merely quantitative differences, beyond a certain point, pass into qualitative changes.

In reality, the laborer belongs to capital before he has sold himself to capital.

A commodity appears at first sight an extremely obvious, trivial thing. But its analysis brings out that it is a very strange thing, abounding in metaphysical subtleties and theological niceties.

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

Society as a whole is more and more splitting up into two great hostile camps.

Imagine a world where unbelievers were critical of what we believed but envious of how well we treated one another.

Before you criticize others, remember, they may not have had the same opportunities in life as you have had.

It’s a no win situation. It’s a mug’s game. The religions have contrived to make it impossible to disagree with them critically without being rude. They play the hurt feelings card at every opportunity.

To deliberately criticise another individual may cause an indelible stain on the critic.

Criticism and pessimism destroy families, undermine institutions of all kinds, defeat nearly everyone, and spread a shroud of gloom over entire nations.

Criticism of others is thus an oblique form of self-commendation. We think we make the picture hang straight on our wall by telling our neighbors that all his pictures are crooked.

Anyone who criticizes you cares about your friendship. Anyone who makes light of your faults cares nothing about you.

It’s not easy that everything you do, everybody has to come in and critique it and give their opinion. Sometimes it does help me and sometimes it hurts me as a person. That’s life. I have feelings.