“History is a guide to navigation in perilous times. History is who we are and why we are the way we are.” — David C McCullough …

“Equipped with his five senses, man explores the universe around him and calls the adventure Science.” — Edwin Hubble, 1954 …

“The press is not only free, it is powerful. That power is ours.” — Benjamin Disraeli …

“We’ve poured our poisons into the world as through it were a bottomless pit… and we go on gobbling them up. It’s hard to imagine how the world could survive another century of this abuse.” — Daniel Quinn …

“With all their faults, trade unions have done more for humanity than any other organization of men that ever existed. They have done more for decency, for honesty, for education, for the betterment of the race, for the developing of character in man, than any other association of men.” — Clarence Darrow …

“I think the environment should be put in the category of our national security. Defense of our resources is just as important as defense abroad. Otherwise what is there to defend?” — Robert Redford, Yosemite National Park dedication, 1985 …

“Power concedes nothing without a demand. It never did and it never will.” — Frederick Douglass …

“Racism is an ‘ism’ to which everyone in the world today is exposed; for or against, we must take sides. And the history of the future will differ according to the decision which we make.” — Ruth Fulton Benedict …

“There are men who struggle for a day and they are good.
There are men who struggle for a year and they are better.
There are men who struggle many years and they are better still.
But there are those who struggle all their lives.
These are the indispensable ones.” — Bertold Brecht …

“Democracy forever teases us with the contrast between its ideals and its realities, between its heroic possibilities and its sorry achievements.” — Agnes Repplier …