If you beat your head against the wall, it is your head that breaks and not the wall.

The abolition of the class struggle does not mean the abolition of the need to struggle as a principle of development.

To tell the truth is revolutionary.

The old is dying and the new cannot be born. In this interregnum there arises a great diversity of morbid symptoms.

The people themselves are not a homogeneous cultural collectivity but present numerous and variously combined cultural stratifications which, in their pure form, cannot always be identified within specific historical popular collectivities.

Common sense is not something rigid and stationary, but is in continuous transformation, becoming enriched with scientific notions and philosophical opinions that have entered into common circulation. 'Common sense' is the folklore of philosophy and always stands midway between folklore proper (folklore as it is normally understood) and the philosophy, science, and economics of the scientists. Common sense creates the folklore of the future, a relatively rigidified phase of popular knowledge in a given time and place.

The starting-point of critical elaboration is the consciousness of what one really is, and is 'knowing thyself'as a product of the historical processes to date, which has deposited in you an infinity of traces, without leaving an inventory.