Čovjek mora biti zdrav da misli jasno

Slika {n}
Čovjek mora biti zdrav da misli jasno, ali se može misliti duboko i biti prilično lud.

Nikola Tesla

July 10, 1856 – 7. siječnja 1943.
Nikola Tesla (10 July 1856 – 7 January 1943) was a Serbian-American inventor, electrical engineer, mechanical engineer, and futurist who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.