How extraordinary was my life an incident may illustrate... [As a youth] I was fascinated by a description of Niagara Falls. I had perused, and pictured in my imagination a big wheel run by the Falls. I told my uncle that I would go to America and carry out this scheme. Thirty years later I saw my ideas carried out at Niagara and marveled at the unfathomable mystery of the mind.

It will soon be possible to transmit wireless messages around the world so simply that any individual can carry and operate his own apparatus.

Love: I recognize the emotion for what it is, an irrational self-destructive impulse, which is disguised as joy.

Originality thrives in seclusion free of outside influences

The mind is sharper and keener in seclusion and uninterrupted solitude. Originality thrives in seclusion free of outside influences beating upon us to cripple the creative mind. Be alone-that is the secret of invention: be alone, that is when ideas are born.

There is something within me that might be illusion as it is often case with young delighted people, but if I would be fortunate to achieve some of my ideals, it would be on the behalf of the whole of humanity. If those hopes would become fulfilled, the most exciting thought would be that it is a deed of a Serb.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more.