The highest activity a human being can attain is learning for understanding, because to understand is to be free.

I do not know how to teach philosophy without becoming a disturber of established religion.

If you want the present to be different from the past, study the past.

Ambition is the immoderate desire for power.

Around 17 to 20 years, I became, myself, a poacher. And I wanted to do it, because - I believed - to continue my studies. I wanted to go to university, but my father was poor, my uncle even. So, I did it. And for three to four years, I went to university. For three times, I applied to biomedical science, to be a doctor. I didn't succeed.

The chemistry at a table is so important. You must start with a carefully balanced mix of personalities. If the balance is off, and the stakes are too big for some of the players, it kills the game. Too small, and everybody gets bored.

Nuclear energy is the scientific achievement of the Iranian nation.

We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces.