Universal peace as a result of cumulative effort through centuries past might come into existence quickly - not unlike a crystal that suddenly forms in a solution which has been slowly prepared. Science is but a perversion of itself unless it has as its ultimate goal the betterment of humanity.

My ear barely caught signals coming in regular succession which could not have been produced on earth.

It is a simple feat of scientific electrical engineering — only expensive — blind, faint-hearted, doubting world.

I have harnessed the cosmic rays and caused them to operate a motive device.

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.

The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.

When natural inclination develops into a passionate desire, one advances towards his goal in seven-league boots.