Les hommes construisent trop de murs et pas assez de ponts. - Isaac Newton

"I can calculate the motion of heavenly bodies but not the madness of people."

"Nature is pleased with simplicity. And nature is no dummy"

"If I have seen further than others, it is by standing upon the shoulders of giants."

"Gravity explains the motions of the planets, but it cannot explain who sets the planets in motion."

"My powers are ordinary. Only my application brings me success."