Anything free is worth what you pay for it.

Secrecy is the keystone to all tyranny. Not force, but secrecy and censorship. When any government or church for that matter, undertakes to say to its subjects, "This you may not read, this you must not know," the end result is tyranny and oppression, no matter how holy the motives. Mighty little force is needed to control a man who has been hoodwinked in this fashion; contrariwise, no amount of force can control a free man, whose mind is free. No, not the rack nor the atomic bomb, not anything. You can't conquer a free man; the most you can do is kill him.

The Stone trembled and threw herself outward bound, toward Saturn. In her train followed hundreds and thousands and hundreds of thousands of thousands of restless, rolling Stones . . . to Saturn . . . to Uranus, to Pluto . . . rolling on out to the stars . . . outward bound to the ends of the Universe.

You can go wrong by being too skeptical as readily as by being too trusting.

The most noble fate a man can endure is to place his own mortal body between his loved home and the war's desolation.

Patriotism is not 'my country right or wrong'; patriotism means loving the ideals for which America stands and having the courage to speak up when these ideals are distorted for personal or political gain. The American government was instituted to be the servant of the people, not our master.

Love is what still goes on when you're not horny.