Religion is only the illusory sun which revolves round man as long as he does not revolve round himself.

Reason has always existed, but not always in a reasonable form.

When commercial capital occupies a position of unquestioned ascendancy, it everywhere constitutes a system of plunder.

Change the economic base and you will change human beings.

The essence of the free press is the reliable, reasonable and moral nature of freedom.

You will have to go through 15, 20, 50 years of civil wars and national struggles not only to bring about a change in society but also to change yourselves, and prepare yourselves for the exercise of political power.

Darwin has interested us in the history of nature's technology.