Of all the tyrannies that affect mankind tyranny in religion is the worst.

Religion can never reform mankind because religion is slavery.

Some day science may have the existence of mankind in power and the human race can commit suicide by blowing up the world.

The race of mankind would perish did they cease to aid each other. We cannot exist without mutual help. All therefore that need aid have a right to ask it from their fellow-men and no one who has the power of granting can refuse it without guilt.

A bad book is the worse that it cannot repent. It has not been the devil's policy to keep the masses of mankind in ignorance but finding that they will read he is doing all in his power to poison their books.

The general tendency of things throughout the world is to render mediocrity the ascendant power among mankind.

If all mankind minus one were of one opinion mankind would be no more justified in silencing that one person than he if he had the power would be justified in silencing mankind.

The ordinary man with extraordinary power is the chief danger for mankind - not the fiend or the sadist.

All national institutions of churches whether Jewish Christian or Turkish appear to me no other than human inventions set up to terrify and enslave mankind and monopolize power and profit.

All through the years since World War II the Japanese people have I am convinced made strenuous efforts to preserve and promote world peace contributing to the progress and prosperity of mankind.

Chemistry itself knows altogether too well that - given the real fear that the scarcity of global resources and energy might threaten the unity of mankind - chemistry is in a position to make a contribution towards securing a true peace on earth.

I know that if the peace movement takes its message boldly to the Negro people a powerful force can be secured in pursuit of the greatest goal of all mankind. And the same is true of labor and the great democratic sections of our population.

Mankind will never win lasting peace so long as men use their full resources only in tasks of war. While we are yet at peace let us mobilize the potentialities particularly the moral and spiritual potentialities which we usually reserve for war.

That idea of peace and love toward humanity shouldn't be nationalistic or denominational. It should be a chief concern for all mankind.

Mankind must remember that peace is not God's gift to his creatures peace is our gift to each other.

In many ways when you're a Nobel peace laureate you have an obligation to humankind to society.

The forces that are driving mankind toward unity and peace are deep-seated and powerful. They are material and natural as well as moral and intellectual.