Ironically enough, most of the great groundbreaking and earthshaking discoveries have been by accident!
Coal, for example, I'd bet, was discovered when primitive man caught an exposed outcropping of Bituminous coal on fire with his wood fire and I bet it scared the hell out of him when He thought he caught the world on fire!
. “He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you.”- Fredrick Nietzsche
"We can judge the heart of a man by his treatment of animals." - Immanuel Kant