Marconi (an Italian scientist who invented wireless) liked it...

Marconi (an Italian scientist who invented wireless) liked it, on account of his enthusiasm and inclination, not to enjoy the amusements of the world and to remain in seclusion to serve mankind and civilization, for otherwise why did he choose seclusion for himself, if practical wisdom and enthusiasm did not prompt him to serve humanity? The same thing could be said about some other great men. Thus the noble-minded servants of mankind did good deeds with great enthusiasm and devotion.

As the wicked and unlucky persons were devoid of true practical wisdom and good intentions they could not do any service to humanity in spite of their theoretical wisdom. To this category belong Adolf Hitler, Hajjaj bin Yusuf, Changez Khan, Alexander of Macedonia and many great scientists of our own age who utilized their experiments in respect of man.

All of them possessed power of intellect like the servants of mankind but in spite of this their performance was nothing but bloodshed, lack of regard for…