Many will call me an adventurer - and that I am, only one of a different sort: one of those who risks his skin to prove his platitudes.

Silence is argument carried out by other means.

I don't care if I fall as long as someone else picks up my gun and keeps on shooting.

Cruel leaders are replaced only to have new leaders turn cruel.

The revolution is not an apple that falls when it is ripe. You have to make it fall.

Whenever death may surprise us, let it be welcome if our battle cry has reached even one receptive ear and another hand reaches out to take up our arms.

Many will call me an adventurer - and that I am, only one of a different sort: one of those who risks his skin to prove his platitudes.

I know you are here to kill me. Shoot, coward, you are only going to kill a man.

A political event was that I met Fidel Castro, the Cuban revolutionary. He is a young, intelligent guy, very sure of himself and extraordinarily audacious; I think we hit it off well.

Above all, always be capable of feeling deeply any injustice committed against anyone, anywhere in the world. This is the most beautiful quality in a revolutionary.

How easy it is to govern when one follows a system of consulting the will of the people and one holds as the only norm all the actions which contribute to the well being of the people.

I am one of those people who believes that the solution to the world's problems is to be found behind the Iron Curtain.

I could become very rich in Guatemala but by the low method of ratifying my title, opening a clinic, and specialising in allergies. To do that would be the most horrible betrayal of the two 'I's' struggling inside me: the socialist and the traveller.

I had a project for my life which involved 10 years of wandering, then some years of medical studies and, if any time was left, the great adventure of physics.

I have a wish. It as a fear as well - that in my end will be my beginning.

I would probably have more in common with a whale than with a bourgeois married couple employed at worthy institutions that I would wipe from the face of the earth if it was given to me to do so.

If you tremble with indignation at every injustice, then you are a comrade of mine.

It is important to emphasize that guerrilla warfare is a war of the masses, a war of the people. The guerrilla band is an armed nucleus, the fighting vanguard of the people. It draws its great force from the mass of the people themselves.

It is unnecessary to say that Fidel Castro possesses the high qualities of a fighter and statesman: our path, our struggle, and our triumph we owed to his vision.

Passion is needed for any great work, and for the revolution, passion and audacity are required in big doses.

Remember that the revolution is what is important, and each one of us, alone, is worth nothing.

Study hard so that you can master technology, which allows us to master nature.

The guerrilla fighters should be required to go to bed and get up at fixed hours. Games that have no social function and that hurt the morale of the troops and the consumption of alcoholic drinks should both be prohibited.

The only passion that guides me is for the truth... I look at everything from this point of view.

The peasant must always be helped technically, economically, morally and culturally. The guerrilla fighter will be a sort of guiding angel who has fallen into the zone, helping the poor always and bothering the rich as little as possible in the first phases of the war.

The true revolutionary is guided by a great feeling of love. It is impossible to think of a genuine revolutionary lacking this quality.

We cannot be sure of having something to live for unless we are willing to die for it.

We have no right to believe that freedom can be won without struggle.

Let the world change you and you can change the world.

To build communism it is necessary simultaneous with the new material foundations to build the new man and woman.

In the future individualism ought to be the efficient utilization of the whole individual for the absolute benefit of a collectivity.

It's not my fault if reality is Marxist

If you tremble with indignation at every injustice then you are a comrade of mine.

Peaceful coexistence cannot be limited to the powerful countries if we want to ensure world peace.

A thick skin is a gift from God.

I knew exactly what I was, and there was no hang-up with me. None whatsoever. The fact that the pigment of my skin maybe being lighter brown than other people of my race, maybe some of them, but you know our race has all colors.

You can have anything you want if you want it desperately enough. You must want it with an inner exuberance that erupts through the skin and joins the energy that created the world.

We are all Adam's children - it's just the skin that makes all the difference.

Poetry is ordinary language raised to the Nth power. Poetry is boned with ideas, nerved and blooded with emotions, all held together by the delicate, tough skin of words.

I am lucky to have good Polish skin that doesn't wrinkle so I might be around for a few years yet.

If any man claims the Negro should be content... let him say he would willingly change the color of his skin and go to live in the Negro section of a large city. Then and only then has he a right to such a claim.

The roles for South Asians may have increased by a decent number but there has been a negligible change in the quality of these roles. We still have to fight stereotypes. Fortunately, I've had the priviledge of working with people who look beyond the color of your skin.

Anyone who tries to keep track of what is happening in China is going to end up by wearing all the skin of his left ear from twirling around on it.

A stem cell is essentially a blank cell capable of becoming another, more differentiated cell-type in the body, such as a skin cell, a muscle cell or a nerve cell.

Yes, exercise is the catalyst. That's what makes everything happen: your digestion, your elimination, your sex life, your skin, hair, everything about you depends on circulation. And how do you increase circulation?

All we need is a meteorologist who has once been soaked to the skin without ill effect. No one can write knowingly of the weather who walks bent over on wet days.

It doesn't matter how long my hair is or what colour my skin is or whether I'm a woman or a man.

I was jumping out of my skin. It was horrible. I was all over the place, because I'd never been in front of a live audience. That's a whole other element in the play, the audience.

Over the years, I was never really driven to become a solo artist, but I was curious to find out who I was as an individual creative person. It's taken some time, but now I feel I've truly paid my dues. I guess I'm at a point now where I'm more comfortable in my own skin.