“My country is the world; my countrymen are mankind.” – William Lloyd Garrison

“Out of all mankind one finds a single friend, he has found something more precious than any treasure, since there is nothing in the world so valuable that it can be compared to a real friend.” – Andreas Capellanus 

“Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so.” – Douglas Adams

“Man is a piece of the universe made alive” – Ralph Waldo Emerson

“How wonderful it is that nobody need wait a single moment before starting to improve the world.” – Anne Frank

“You must not lose faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty.” – Mahatma Gandhi 

“So long as we live among men, let us cherish humanity.” – Andre Gide

“Mankind is divisible into two great classes: hosts and guests.” – Max Beerbohm

“For instance, on the planet Earth, man had always assumed that he was more intelligent than dolphins because he had achieved so much–the wheel, New York, wars and so on–while all the dolphins had ever done was muck about in the water having a good time. But conversely, the dolphins had always believed that they were far more intelligent than man–for precisely the same reasons.” – Douglas Adams

“Peace and friendship with all mankind is our wisest policy, and I wish we may be permitted to pursue it.” – Thomas Jefferson

“There is so much each one of us can do to make a difference. We are at a dangerous juncture in the history of mankind. … We need to defend our principles and values, human rights, civil liberties and the rule of international law. If we don’t our world will further descend into a state of chaos.” – Bianca Jagger

“In the dark, equality for all of mankind couldn’t seem brighter.” – Robert M. Hensel