The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever. Votes: 1
Konstantin TsiolkovskyHistory is the "know thyself" of humanity - the self-consciousness of mankind. Votes: 0
Johann Gustav DroysenThe measure of man's humanity is the extent and intensity of his love for mankind. Votes: 0
Ashley MontaguThe UN wasn't created to take mankind into paradise, but rather, to save humanity from hell. Votes: 0
Dag HammarskjoldMankind must give up war in the Atomic Era. What is at stake is the life or death of humanity. Votes: 0
Albert Einstein