Mankind has probably done more damage to the Earth in the 20th century than in all of previous human history.

The greatest tragedy in mankind's entire history may be the hijacking of morality by religion.

In the long history of humankind (and animal kind too) those who learned to collaborate and improvise most effectively have prevailed.

We peruse one ideal that of bringing people together in peace irrespective of race religion and political convictions for the benefit of mankind.

History is indeed little more than the register of the crimes follies and misfortunes of mankind.

This is one small step for a man one giant leap for mankind.

I hope for your help to explore and protect the wild ocean in ways that will restore the health and in so doing secure hope for humankind. Health to the ocean means health for us.

All mankind... being all equal and independent no one ought to harm another in his life health liberty or possessions.

No true and permanent fame can be founded except in labors which promote the happiness of mankind.

For all its terrible faults in one sense America is still the last best hope of mankind because it spells out so vividly the kind of happiness that most people actually want regardless of what they are told they ought to want.

Leibniz dedicated his life to efforts to educate people to understand that true happiness is found by locating their identity in benefitting mankind and their posterity.

The cause of justice is the cause of humanity. Its advocates should overflow with universal good will. We should love this cause for it conduces to the general happiness of mankind.

To desire and strive to be of some service to the world to aim at doing something which shall really increase the happiness and welfare and virtue of mankind - this is a choice which is possible for all of us and surely it is a good haven to sail for.

I take it that the good of mankind means the attainment by every man of all the happiness which he can enjoy without diminishing the happiness of his fellow men.

My whole working philosophy is that the only stable happiness for mankind is that it shall live married in blessed union to woman-kind - intimacy physical and psychical between a man and his wife. I wish to add that my state of bliss is by no means perfect.

Unquestionably it is possible to do without happiness it is done involuntarily by nineteen-twentieths of mankind.

Mankind is made great or little by its own will.

Advertising ministers to the spiritual side of trade. It is great power that has been entrusted to your keeping which charges you with the high responsibility of inspiring and ennobling the commercial world. It is all part of the greater work of the regeneration and redemption of mankind.

Books are the legacies that a great genius leaves to mankind which are delivered down from generation to generation as presents to the posterity of those who are yet unborn.

Above all things let us never forget that mankind constitutes one great brotherhood all born to encounter suffering and sorrow and therefore bound to sympathize with each other.

I never weary of great churches. It is my favorite kind of mountain scenery. Mankind was never so happily inspired as when it made a cathedral.

All the ills of mankind all the tragic misfortunes that fill the history books all the political blunders all the failures of the great leaders have arisen merely from a lack of skill at dancing.

I conceive that the great part of the miseries of mankind are brought upon them by false estimates they have made of the value of things.

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.