“Everything is theoretically impossible, until it is done”

― Robert A. Heinlein

“It is a mere question of time when we will be succeed in attaching their machinery to the very wheel of nature”
― Nikola Tesla  

“A new Scientific truth does not triumph by convincing opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it”

―Max Planck