"Ignorance has always been the weapon of tyrants; enlightenment the salvation of the free"

"Software is like sex: it's better when it's free"

"The most valuable possession you can own is an open heart. The most powerful weapon you can be is an instrument of peace"

"Some books leave us free and some books make us free"

"Only in our dreams are we free. The rest of the time we need wages"

"The best weapon against an enemy is another enemy"

"A hungry man is not a free man"

"The human race has one really effective weapon, and that is laughter"

"Non-violence is the greatest force at the disposal of mankind. It is mightier than the mightiest weapon of destruction devised by the ingenuity of man"

"Machines were, it may be said, the weapon employed by the capitalists to quell the revolt of specialized labor"

"Education is the most powerful weapon which you can use to change the world"