Only an armed people can be the real bulwark of popular liberty.

The history of all countries shows that the working class exclusively by its own effort is able to develop only trade-union consciousness.

No Marxist can deny that the interests of socialism are higher than the interests of the right of nations to self-determination.

Don't be afraid to admit defeat. Learn from defeat. Do over again more thoroughly, more carefully, and more systematically what you have done badly.

It is necessary to be able to withstand all this, to agree to any and every sacrifice, and even - if need be - to resort to all sorts of stratagems, manoeuvres and illegal methods, to evasion and subterfuges in order to penetrate the trade unions, to remain in them, and to carry on Communist work in them at all costs.

Give me four years to teach the children and the seed I have sown will never be uprooted.

Give me a child for the first 5 years of his life and he will be mine forever.