Falling in love is not at all the most stupid thing that people do - but gravitation cannot be held responsible for it.

The state was made for man, not man for state.

Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are even incapable of forming such opinions.

At the same time, as social beings, we are moved in the relations with our fellow beings by such feelings as sympathy, pride, hate, need for power, pity, and so on.

The only thing we can be certain of in this life is that we can be certain of nothing.

I never made one of my discoveries through the process of rational thinking

It has become appallingly obvious that our technology has exceeded our humanity.