I call upon the scientific community in our country those who gave us nuclear weapons to turn their great talents now to the cause of mankind and world peace: to give us the means of rendering these nuclear weapons impotent and obsolete.
Great thoughts speak only to the thoughtful mind but great actions speak to all mankind.
Above all we should not forget that government is an evil a usurpation upon the private judgement and individual conscience of mankind.
History proves that all dictatorships all authoritarian forms of government are transient. Only democratic systems are not transient. Whatever the shortcomings mankind has not devised anything superior.
Mankind when left to themselves are unfit for their own government.
The republican is the only form of government which is not eternally at open or secret war with the rights of mankind.
We are justified in enforcing good morals for they belong to all mankind but we are not justified in enforcing good manners for good manners always mean our own manners.
Mankind is not likely to salvage civilization unless he can evolve a system of good and evil which is independent of heaven and hell.
Heaven and hell suppose two distinct species of men the good and the bad. But the greatest part of mankind float betwixt vice and virtue.
It is lamentable that to be a good patriot one must become the enemy of the rest of mankind.
The World is my country all mankind are my brethren and to do good is my religion.
The good opinion of mankind like the lever of Archimedes with the given fulcrum moves the world.
Know then thyself presume not God to scan The proper study of mankind is man.
I say to mankind Be not curious about God. For I who am curious about each am not curious about God - I hear and behold God in every object yet understand God not in the least.
I have offended God and mankind because my work didn't reach the quality it should have.
The reproduction of mankind is a great marvel and mystery. Had God consulted me in the matter I should have advised him to continue the generation of the species by fashioning them out of clay.
Propaganda must appeal to mankind's better judgment and to the necessary belief in a better future. For this belief the valley of the shadow of death is but a war station on the road to the blessed summit.
I wished to go completely outside and to make a symbolic start for my enterprise of regenerating the life of humankind within the body of society and to prepare a positive future in this context.
In particular for younger researchers on whom the future of mankind may depend. We believe that they are working with all the scientific wisdom at their disposal for the preservation of the inheritance of the earth and for the lasting survival of mankind.
In retrospect the Millennium marked only a moment in time. It was the events of September 11 that marked a turning point in history where we confront the dangers of the future and assess the choices facing humankind.
The question of armaments whether on land or sea is the most immediately and intensely practical question connected with the future fortunes of nations and of mankind.
For the first time in the history of mankind one generation literally has the power to destroy the past the present and the future the power to bring time to an end.
Peace and friendship with all mankind is our wisest policy and I wish we may be permitted to pursue it.
Strong generous and confident she has nobly served mankind. Beware how you trifle with your marvellous inheritance this great land of ordered liberty for if we stumble and fall freedom and civilization everywhere will go down in ruin.