We leave as we came and, god willing, as we shall return, with peace, and hope for all mankind.
Eugene CernanTest yourself on mankind. It is something that makes the doubter doubt, the believer believe.
Franz KafkaFanatics are picturesque, mankind would rather see gestures than listen to reasons.
Friedrich NietzscheI think that one of the biggest flaws of mankind is that we become complacent with our lives.
Daniel WilleyPeriods of tranquillity are seldom prolific of creative achievement. Mankind has to be stirred up.
George Santayana