Mankind will succeed in making peaceful use of atomic energy.
If mankind doesn't take care of the environment, the environment may eliminate mankind.
Penicillin has contributed much to the welfare of mankind.
Technology is in itself meaningless unless it serves mankind.
Surely the most curious of sources consulted is Mankind Quarterly.
He rises above the rest of mankind.
That can be said of mankind at large.
If a nuclear war were to break out, mankind would perish.
The act known as terrorism, that rips away from us in an instant our peaceful days of happiness, is certainly worthy of being called an enemy to all mankind.
We have to abolish all nuclear weapons, because they are deadly to mankind.
Nuclear weapons will bring about nothing but the ruin of mankind.
The time has come for mankind to put an end to the madness and immorality of the arms race.
A nuclear war will bring about the destruction of mankind.
Ultimately, space flight will be beneficial to all mankind.
The time when mankind is free from hunger is yet to come.
Sympathy is a feeling characteristic of mankind.
Does mankind have dominion over animals and birds?