The full man does not understand the wants of the hungry

Both for the production on a mass scale of this communist consciousness, and for the success of the cause itself, the alteration of men on a mass scale is necessary, an alteration which can only take place in a practical movement, a revolution; this revolution is necessary, therefore, not only because the ruling class cannot be overthrown in any other way, but also because the class overthrowing it can only in a revolution succeed in ridding itself of all the muck of ages and become fitted to found society anew.

Philosophy stands in the same relation to the study of the actual world as masturbation to sexual love.

Surplus-value and the rate of surplus-value are... the invisible essence to be investigated, whereas the rate of profit and hence the form of surplus-value as profit are visible surface phenomena

Be careful to trust a person who does not like wine.

History repeats itself, the first as tragedy, then as farce.

Is it a misfortune that magnificent California was seized from the lazy Mexicans who did not know what to do with it.