"The idea of God is the sole wrong for which I cannot forgive mankind"

"The only medicine for suffering, crime, and all the other woes of mankind, is wisdom"

"Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind"

"Here men from the planet Earth first set foot upon the Moon. July 1969 AD. We came in peace for all mankind"

"Fanatics are picturesque, mankind would rather see gestures than listen to reasons"

"I conceive that the great part of the miseries of mankind are brought upon them by false estimates they have made of the value of things"

"The good opinion of mankind, like the lever of Archimedes, with the given fulcrum, moves the world"

"When will mankind be convinced and agree to settle their difficulties by arbitration?"

"The republican is the only form of government which is not eternally at open or secret war with the rights of mankind"

"I abhor war and view it as the greatest scourge of mankind"

"All mankind is divided into three classes: those that are immovable, those that are movable, and those that move"